(NkAK WOZNIKLA ^ELOWE^ESKAQ RE^X (B/s - (NnIKOLXSKIJ(B, (Nw(B.(Nk(B.s; (NqKOWLEW(B, (Nn(B.(Nf(B.s ((NmOSKWA (B:s (NgOSKULXTPROSWETIZDAT (B,s, 1949)
Keywords: (NqZYKOZN(Ba(NNIEs