Ince, E. L. 1891-1941. The solution of ordinary differential equations / E.L. Ince and I.N. Sneddon. - 2nd ed. - Essex, England : Longman Scientific & Technical, 1987. - x, 234 p. : ill. - Longman mathematical texts . Rev. ed. of: Integration of ordinary differential equations. 7th ed. 1963. ISBN: 0470206802 (Wiley : pbk.) Subjects--Topical Terms: Differential equations. LC Class. No.: QA372 / .I6 1987 Dewey Class. No.: 515.3/52�19