(NzADA^I PO DOPOLNITELXNYM GLAWAM DIFFERENCIALXNYH URAWNENIJ (B/s - (NkRASNOW(B, (NmIHAIL lEONTXEWI^(B.s; (NmAKARENKO(B, (Ng(B.s ((NmOSKWA (B:s [(NB(B. (NI(B.], s, 1960)
Keywords: (NdIFFERENCIALXNYE URAWNENIQ (B- (NrE[ENIEs