(NkORMAs - (NbONDAREW(B,(Nw(B. (Na(B.s (NwALENTIN aLEKSEEWI^s; (NwOROBXEW(B,(Ne(B. (Ns(B.s; (N}EGLOW(B,(Nw(B. (Nw(B.s; (NiGLOWIKOW(B,(Nw(B. (Ng(B.s ((Nm(B.s (NkOLOSs, 1977)
Keywords: (NkORMAs -- (NsPRAWO^NIKIs