TY - BOOK AU - Lipschutz,Seymour . AU - Lipson,Marc Lars . TI - Theory and problems of discrete mathematics / SN - 007463710X U1 - 512.74 PY - 1999/// (rep. 2000) CY - New Delhi : PB - Tata McGraw-Hill Publishing , KW - MATHEMATICS-ALGEBRA N1 - NULL ER -