Maslov, V. P Asimptoticheskie metody resheniia psevdodifferentsial'nyh uravnenij V. P. Maslov - Moskva "Nauka", Gl. red. fiz.-mat. lit 1987 - 408 p ill.; tab 22 cm Cuprinde bibliografie Scriere chirilica Subjects--Topical Terms: Analiza numerica Dewey Class. No.: 519.6