(NwWEDENIE W TEORI@ OBRATNYH ZADA^ (B/s - (NbUHGEJM(B, (NaLEKSANDR lXWOWI^s; (NlAWRENTXEW(B, (Nm(B.(Nm(B.s ((NnOWOSIBIRSK (B:s (NnAUKA(B. (NsIB(B. (NOTD(B-(NNIE(B,s, 1988)
Keywords: (NoBRATNYE ZADA^I (B((NMAT(B.)s