TY - BOOK AU - Feshchenko, Stepan Fedorovich, AU - Shkil', Nikolai Ivanovich AU - Nikolenko, L. D. TI - Asymptotic methods in the theory of linear differential equations, s. f. feshchenko, n. i. shkil', and l. d. nikolenko T2 - Modern analytic and computational methods in science and mathematics AV - QA372 F42 PY - 1967/// CY - New York PB - American elsevier KW - Expansiones asintóticas KW - Ecuaciones diferenciales lineales ER -