TY - BOOK AU - Johnsonbaugh,Richard TI - Discrete mathematics SN - 0023607203 U1 - 511.3 22 PY - 1986/// CY - New York, London PB - Macmillan, Collier Macmillan KW - Computer science KW - Mathematics N1 - Includes index; Bibliography: p. 405-409 ER -