(NaKADEMIQ NAUK bELORUSSKOJ ssr (B/s - (NkUPREWI^(B, (Nw(B.(Nf(B.s ((NmINSK (B:s (Nan bssr(B,s, 1958)
(NbIBLIOGR(B.: c. 273-275s
Keywords: (NaKADEMIQ NAUK bELORUSSKOJ ssrs