(NdIFFERENCIALXNOE IS^ISLENIE (B: s [(Nu^EBNIK DLQ WUZOW(B] / s - (NlUZIN(B, (NnIKOLAJ nIKOLAEWI^(B. s ((NmOSKWA (B:s (NsOW(B. (NNAUKA(B, s, 1953)
Keywords: (NdIFFERENCIALXNOE IS^ISLENIE (B- (Nu^EBNIKI I POSOBIQs