(NdURMAN (B:s (NrOMAN (B/s - (NkARASLAWOW(B, (NgEORGIJs; (NkLQGINA(B-(NkONDRATXEWA(B, (Nm(B. (Ni(B.s ((NmOSKWA (B:s (NgOSLITIZDAT(B,s, 1958)
Keywords: (NkRESTXQNSTWO W bOLGARII (B((NH(B. (NL(B.)s