(Np^ELOWODSTWO W LIPNQKAHs - (NmURAHTANOW(B,(Ne(B. (Ns(B.s (NeWGENIJ sERGEEWI^s ((Nm(B.s (NlESNAQ PROMY[LENNOSTXs, 1977)
Keywords: (Np^ELOWODSTWOs -- (NkORMOWAQ BAZAs; (NlIPOWYE LESAs