(NpO PUTI NAU^NO(B-(NTEHNI^ESKOGO PROGRESSA (B/s - (NtURKEBAEW(B, (N|DYGE aJTVANOWI^s; (NsADYKOW(B, (NrI[AT gARIFOWI^s ((NaLMA(B-(NaTA (B:s (NkAZAHSTAN(B,s, 1981)
Keywords: (NnAUKAs