(NpROBLEMY PRINQTIQ RE[ENIQs (NSBORNIK STATEJs - (NaNOHIN(B,(Np(B. (Nk(B.s (NpETR kUZXMI^s ((Nm(B.s (NnAUKAs, 1976)
Keywords: (NpRINQTIE RE[ENIJs -- (NsBORNIKIs