Constructive approaches to mathematical models : proceedings of a conference in honor of R.J. Duffin, Pittsburgh, Pennsylvania, 10-14 July 1978 - Duffin, R. J. (Richard James), 1909-; Coffman, C. V. (Charles Vernon), 1935-; Fix, G. J. George Joseph), 1939- (New York : Academic Press, 1979)
Includes bibliographies
Keywords: Duffin, R. J. -- 1909-; Mathematical models -- Congresses