(NsOSNOWYJ WOZDUH (B/s - (NwAWILIN(B, (NmIHAIL dMITRIEWI^s ((NpERMX (B:s (NpERM(B. (NKN(B. (NIZD(B-(NWO(B,s, 1967)
Keywords: (NsOWETSKAQ PO\ZIQs