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http://worldcatlibraries.org/wcpa/isbn/0677041500http://arxiv.org/abs/math/0501230http://www.ams.org/mathscinet-getitem?mr=1741750http://worldcatlibraries.org/wcpa/isbn/3-540-16059-0http://www.ams.org/mathscinet-getitem?mr=838964http://dx.doi.org/10.1016/S0377-0427(02)00914-7http://www.ams.org/mathscinet-getitem?mr=0668329http://dx.doi.org/10.1137/0513062http://www.ams.org/mathscinet-getitem?mr=741641http://www.ams.org/mathscinet-getitem?mr=0514623http://dx.doi.org/10.1016/0097-3165(78)90020-1http://www.ams.org/mathscinet-getitem?mr=406808http://www.ams.org/mathscinet-getitem?mr=481145http://www.ams.org/mathscinet-getitem?mr=1985676http://dx.doi.org/10.1016/S0377-0427(02)00597-6http://www.ams.org/mathscinet-getitem?mr=1746444http://dx.doi.org/10.1016/S0012-365X(99)00197-1http://www.ams.org/mathscinet-getitem?mr=1990569http://dx.doi.org/10.1090/S0002-9947-03-03330-0http://www.ams.org/mathscinet-getitem?mr=1662713http://dx.doi.org/10.1016/S0377-0427(98)00175-7http://www.ams.org/mathscinet-getitem?mr=0743793http://dx.doi.org/10.1016/0012-365X(84)90159-6http://worldcatlibraries.org/wcpa/isbn/0521789885http://www.ams.org/mathscinet-getitem?mr=0389609http://dx.doi.org/10.1016/0012-365X(75)90001-1

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http://www.ams.org/mathscinet-getitem?mr=0968940http://dx.doi.org/10.1016/0021-9045(88)90100-1http://www.ams.org/mathscinet-getitem?mr=637830http://www.ams.org/mathscinet-getitem?mr=576766http://www.ams.org/mathscinet-getitem?mr=0968850http://dx.doi.org/10.1137/0401043http://www.ams.org/mathscinet-getitem?mr=782311http://www.ams.org/mathscinet-getitem?mr=272642http://www.ams.org/mathscinet-getitem?mr=498167http://dx.doi.org/10.1016/0097-3165(78)90066-3http://www.ams.org/mathscinet-getitem?mr=1788094http://dx.doi.org/10.1239/aap/1013540243http://www.ams.org/mathscinet-getitem?mr=0392590http://www.ams.org/mathscinet-getitem?mr=1877655http://www.ams.org/mathscinet-getitem?mr=1605626http://www.ams.org/mathscinet-getitem?mr=1454707http://dx.doi.org/10.1016/S0168-9274(97)00006-8http://www.ams.org/mathscinet-getitem?mr=1343833http://dx.doi.org/10.1006/jath.1995.1074http://worldcatlibraries.org/wcpa/isbn/3-540-16059-0http://worldcatlibraries.org/wcpa/isbn/3-540-16059-0http://www.ams.org/mathscinet-getitem?mr=0838977http://arxiv.org/abs/math.CO/0602195http://hal.ccsd.cnrs.fr/ccsd-00007477http://hal.ccsd.cnrs.fr/ccsd-00007477http://www.ams.org/mathscinet-getitem?mr=2085369http://dx.doi.org/10.1007/s00493-004-0029-4http://citeseer.ist.psu.edu/demendez99connected.htmlhttp://www.ams.org/mathscinet-getitem?mr=1288802http://dx.doi.org/10.1006/aama.1994.1010http://worldcatlibraries.org/wcpa/isbn/3-540-16059-0http://www.ams.org/mathscinet-getitem?mr=838972http://www.ams.org/mathscinet-getitem?mr=1709558http://dx.doi.org/10.1023/A:1019151817161

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http://www.ams.org/mathscinet-getitem?mr=1808581http://dx.doi.org/10.1016/S0377-0427(00)00503-3http://www.ams.org/mathscinet-getitem?mr=0376413http://www.ams.org/mathscinet-getitem?mr=46325http://worldcatlibraries.org/wcpa/isbn/0821810235http://www.ams.org/mathscinet-getitem?mr=1041446http://dx.doi.org/10.1016/0097-3165(90)90058-5http://worldcatlibraries.org/wcpa/isbn/0521789877http://worldcatlibraries.org/wcpa/isbn/0521663512http://www.research.att.com/~njas/sequences/http://www.research.att.com/~njas/sequences/http://www.ams.org/mathscinet-getitem?mr=1418763http://dx.doi.org/10.1016/0377-0427(95)00250-2http://www.ams.org/mathscinet-getitem?mr=1266585http://dx.doi.org/10.1137/S003614109322854Xhttp://worldcatlibraries.org/wcpa/isbn/2892761336http://arxiv.org/abs/math.CO/0607211http://www.ams.org/mathscinet-getitem?mr=98042http://www.ams.org/mathscinet-getitem?mr=1425747http://www.ams.org/mathscinet-getitem?mr=1291053http://dx.doi.org/10.1007/BF01212564http://www.ams.org/mathscinet-getitem?mr=1002302http://arxiv.org/abs/math.CO/0510676http://aw.twi.tudelft.nl/~koekoek/askey.htmlhttp://aw.twi.tudelft.nl/~koekoek/askey.htmlhttp://arxiv.org/abs/math.CO/0503012http://arxiv.org/abs/math/0601081http://arxiv.org/abs/math/0503327http://worldcatlibraries.org/wcpa/isbn/1584882077http://worldcatlibraries.org/wcpa/isbn/0521782015http://www.ams.org/mathscinet-getitem?mr=1627382http://www.ams.org/mathscinet-getitem?mr=1451259

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