(NpROHOVDENIE \LEMENTARNYH ^ASTIC ^EREZ WE]ESTO (B/s - (NeRMATOW(B, (Ns(B.(Ne(B.s ((NaLMA(B-(NaTA (B:s (Nb(B. (NI(B.,s, 1983)
Keywords: (N|LEMENTARNYE ^ASTICYs