(NiZBU[KI NA DOROVKAH (B:s [(NmATEMATI^ESKIE ZADA^I(B] /s - (N|JDELXS(B, (NlEONID mARKOWI^s; (NsALTYKOW(B, (Nm(B.s; (NpROKUDINA(B, (Nt(B.s ((NmOSKWA (B:s (NdETGIZ(B,s, 1960)
Keywords: (NmATEMATIKAs -- (NzADA^Is; (N{KOLXNAQ GAZETAs