O'Malley, Robert E., Jr. Introduction to singular perturbations - New York : Academic Press, 1974 - 206 p. - Applied mathematics and mechanics ; 14 . - Applied mathematics and mechanics ; 14 . LCCN: 34950 Subjects--Topical Terms: Límites (Matemáticas)Perturbación, teoría de la.Series asintóticas. Dewey Class. No.: 515.62 / O5