(NaGROLESOMELIORACIQ LESOSTEPI (B/s - (NdANILOW(B, (NgRIGORIJ gRIGORXEWI^s; (NlOBANOW(B, (NdMITRIJ aLEKSEEWI^s ((NmOSKWA (B:s (NlESNAQ PROMY[LENNOSTX(B,s, 1973)
(NbIBLIOGR(B.: (NS(B. 120-124s
Keywords: (NzA]ITA LESAs