(NpEJZAV (B: s [(Nu^EB(B.-(NMETOD(B. (NMATERIAL(B] / s - (NaKSENOW(B, (N`RIJ gRIGORXEWI^s ((NmOSKWA (B: s (Nb(B. (NI(B., s, 1954)
Keywords: (NpEJZAVNAQ VIWOPISXs