(NmELIORATIWNOE PO^WOWEDENIE (B:s (NpRAKTIKUM (B/s - (NaSTAPOW(B, (NsERGEJ wASILXEWI^s; (NpLE[KOW(B, (Nb(B.(Ni(B.s ((NmOSKWA (B:s (NsELXHOZGIZ(B,s, 1958)
(NlIT(B. : (NS(B. 362-363s
Keywords: (NmELIORACIQs; (NpO^WOWEDENIEs