(NpROBLEMA ^ELOWEKA W TRUDAH k(B. (NmARKSAs - (NbEREVNOJ(B,(Nn(B. (Nm(B.s (NnIKOLAJ mIHAJLOWI^s ((Nm(B.s (NwYS[AQ [KOLAs, 1981)
Keywords: (NmARKS k(B.s