TY - BOOK AU - Kevorkian,J. AU - Cole,Julian D. TI - Perturbation methods in applied mathematics T2 - Applied mathematical sciences SN - 0387905073 U1 - 515.35 22 PY - 1981/// CY - New York PB - Springer-Verlag KW - Differential equations KW - Numerical solutions KW - Asymptotic theory KW - Perturbation (Mathematics) N1 - Includes indexes; Bibliography: p. 546 ER -