Hubbard, John H. Differential equations : a dynamical systems approach / John H. Hubbard, Beverly H. West. - Corr. 3rd print. - New York : Springer, 1990. - v.1(xiv,348): ill. ; ISBN: 0387972862 (pt. 1) Subjects--Topical Terms: Differential equations.Differential equations, Partial. Universal Decimal Class. No.: 517.9 / HUB.1