00000nam a2200000 a 4500 20251203091724.0 0071005447 511, D, LIY Liu C.L. Elements of discrete mathematics 2nd ed. New York McGraw-Hill 1985 xiv,433p, 22cm McGraw-Hill Computer Science series Comibnatorial analysis Algebra, Abstract eng _ 72206 C 50342 50342 0 0 0 0 PU PU 1998-04-08 5.00 0 511, D, LIY 72206 1998-07-29 BK