00461 2200181 4500001002100000008003900021035002000060245003900080100002000119260003000139300002700169020001800196084001400214082000800228650001500236990001400251990001400265INLIS000000000003774 N  a0010-0317003772 aFoundation of discrete mathematics aFletcher, Peter bPWS-Kent Publishingc1991 axviii, 781 hlm.c24 cm a0-534-98381-2 a510 Fle f a510 amatematika a300138996 a300139896