TY - BOOK AU - Bellman,Richard Ernest AU - Cooke,Kenneth L. TI - Modern elementary differential equations SN - 0486686434 (rustica) AV - QA372 B44 1995 PY - 1995/// CY - New York PB - Dover Publications KW - Ecuaciones diferenciales N1 - "An unabridged, slightly corrected republication of the second edition (1971, revised) of the work originally published by Addison-Wesley Publishing Company, Reading, Mass., 1968"--Rev. de la port ER -