(NsUDAK (B:s ((NsUGDEQ(B-(NsUROV(B-(NsOLDAJQ(B) : (NiST(B.-(NKRAEWED(B. (NO^ERK (B/s - (NpOLKANOW(B, (NaLEKSANDR iWANOWI^(B.s ((NsIMFEROPOLX (B: s (NkRYMIZDAT(B, s, 1957)
Keywords: (NsUDAKs