· A. AHO, J. HOPCROFT AND J. ULLMAN, "The design and Analysis of Computer Algorithms,"...
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· A. AHO, J. HOPCROFT AND J. ULLMAN, "The design and Analysis of Computer Algorithms," Addison-Wesley, Reading, Mass., 1974. M. BEELER, R. W. GOSPER AND R. SCROEPPEL
