BAINOV, D. Approximate solutions of impulsive hyperbolic equations Drumi Bainov, Zdzislaw Kamont and Emil Minchev - 1st ed. - Calcutta Academic 1996. - vi, 119p. ISBN: 81-86358-37-4 295.00 Subjects--Topical Terms: PARTIAL DIFFERENTIAL EQUATIONS Dewey Class. No.: MATH 515.353 / BDn96