Lovász, László Combinatorial Problems and Exercises / by László Lovász - 2nd ed. - Providence : American Mathematical Society, 2007 . - 639p. ill. ; 24 c.m. - AMS Chelsea Publishing. . ISBN: 9780821887080 Subjects--Topical Terms: General Principles of Mathematics Mathematical optimization Dewey Class. No.: 511.6076 / LOV/C