(NiSPYTANIE lAHUTI (B:s (No^ERK (B/s - (NiSAKOW(B, (NiWAN sTEPANOWI^s ((NdU[ANBE (B:s (NiRFON(B,s, 1967)
Keywords: (NlAHUTI(B, (NaBULXKASIMs; (NtADVIKSKIE PO\TY (B- (No^ERKIs