TY - BOOK AU - Forsyth,Andrew Russell TI - Theory of differential equations SN - 9781107650244 (rĂºstica) AV - QA371 F72 2011 PY - 2011/// CY - Cambridge PB - Cambridge University KW - Ecuaciones diferenciales N1 - v. 1; Part. exact equations and pfaff's problem--; v. 3; Part II. Ordinary equations, not linear--; v. 5; Part IV. Partial differantial equations; v. 6; Part IV. Partial differential equations ER -