Balakrishnan, V.K. Schaum’s outline of theory and problems of combinatorics / - N.Y. : McGraw-Hill, c1995. - viii, 200 p. : ill. ; 28 cm - . Includes index. ISBN: 007003575x Subjects--Topical Terms: 1. Combinational analysis–Outlines,syllabi, etc. Dewey Class. No.: Res. 511.6076 B171s 1995