00450nam 2232896 450000100060000000300230000600500090002900800410003808200080007907200160008702000180010310000220012126000240014325000060016724500250017365000160019865000340021465000100024832896StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a510 alipson marc a0-07-112690-2 aSEYMOUR LIPSCHUTZ bMCGRAW. HILL c1992 a2 aDiscrete Mathematics alipson marc amathmatics- problems exerises atitle