TY - BOOK AU - Gavrilov,G.P AU - Sapozhenko,A.A. TI - Selected problems in discrete mathematics SN - 5-03-000522-6 PY - 1989/// CY - Moscow PB - Mir Publishers KW - Mathematics KW - Computer science KW - Boole, Algebra de KW - Grafos,Teoria de N1 - Title on added t.p.: Sbornik zadach po diskretnoĭ matematike; Includes bibliographical references (p. 403-404) and index ER -