ipm.iripm.ir/publications/pdf/7.pdf · IPM 93-019 Intersections of triple systems: orders S G.B....
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ipm.iripm.ir/publications/pdf/7.pdf · IPM 93-019 Intersections of triple systems: orders S G.B. Khosrovshahi, and A. Shokoufandeh IPM 93-020 The 2-pgramertric extension small of