Discrete mathematical structures for computer science / Bernard Kolman and Robert C. Busby. Kolman, Bernard, 1932- Busby, Robert C. Computer science Mathematics. QA76.9.M35 K64 1987 001.642 19 KOD Includes bibliographies and index. Englewood Cliffs, N.J. : Prentice-Hall, c1987. c1987. 1987 Text xv, 464 p. : eng