)Qæ(NWAN mIKITENKO (B/s)E - (NsIROT@K(B, (Nm(B. (Nj(B.s; (Nt(B-(NWO DLQ PO[IRENNQ POL)QÆT(B. Æ (NNAUK(B. (NZNANX ursr (B.s)E ((NkI)QÇW (B:s)E (NrAD(B. (NuKRA)QÇNA(B,s)E, 1958)