(NwY^ISLITELXNYE MA[INY I TRUDNORE[AEMYE ZADA^Is (NPER(B. (NS ANGL(B.s - (Ng\RI(B,(Nm(B.s (NmAJKLs; (NdVONSON(B,(Nd(B.s (Nd\WIDs ((Nm(B.s (NmIRs, 1982)
Keywords: (NmA[INY WY^ISLITELXNYEs