(NgRIBY (B/s - (NsERVANINA(B, (NgALINA iWANOWNAs ((NmINSK (B:s (NnAUKA I TEHNIKA(B,s, 1986)
(NbIBLIOGR(B.: (NS(B. 209-211s
Keywords: (NgRIBY (B- (NoPREDELITELIs