(NsAMOSTOQTELXNAQ RABOTA S KNIGOJ (B/s - (NnOWIKOW(B, (NpETR sERGEEWI^s ((NsTALINGRAD (B:s (NkN(B. (NIZD(B.,s, 1953)
Keywords: (NkNIGA (B- (NmETODIKA ^TENIQ s; (N~TENIE SAMOSTOQTELXNOEs