(NwSTRE^I S HUDOVNIKAMI (B/s - (NbULGAKOW(B, (NwALENTIN fEDOROWI^s ((NlENINGRAD (B:s (NhUDOVNIK rsfsr(B,s, 1969)
Keywords: (NrUSSKIE HUDOVNIKI (B- 19-20 (NWW(B. - (No^ERKIs