(NlOGIKA (B:s (Nu^EBNIK DLQ SREDNEJ [KOLY (B/s - (NwINOGRADOW(B, (NsERGEJ nIKOLAEWI^s; (NkUZXMIN(B, (Na(B.(Nf(B.s ((NmOSKWA (B:s (Nu^PEDGIZ(B,s, 1952)
Keywords: (NlOGIKAs; (NlOGIKA (B- (Nu^EBNIKI I POSOBIQs