TY - BOOK AU - Vainberg,B.R. TI - Asymptotic methods in equations of mathematical physics SN - 2881246648 PY - 1989/// CY - New York PB - Gordon and Breach Science Publishers KW - Differential equations KW - Asymptotic theory KW - Mathematical physics N1 - Translation of : Asimptoticheskiye metody v uravneniiakh matematicheskoi fizike ER -