Hillman, A. P., Alexanderson, G. L., & Grassl, R. M. (1987). Discrete and combinatorial mathematics: Abraham P. Hillman ...[et al].
Chicago Style aipamenaHillman, Abraham P., Gerald L. Alexanderson, and Richard M. Grassl. Discrete and Combinatorial Mathematics: Abraham P. Hillman ...[et Al]. Dellen Pub. Company, 1987.
MLA aipamenaHillman, Abraham P., et al. Discrete and Combinatorial Mathematics: Abraham P. Hillman ...[et Al]. 1987.
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