(NwAVKIJ KOLOS (B/s - (NbELQ)QÃW(B, (No(B.(Ns(B.s)E; (NtREGUBOW(B, )Qæ.(Np(B.s)E ([(Nb(B. (NM(B.] :s [(NB(B. (NI(B.],s, 1972)