(NsTEPENI NERAZRE[IMOSTI (B:s (NpER(B. (NS ANGL(B. /s - (N{ENFILD(B, (NdVOZEFs; (NlAWROW(B, (Ni(B.(Na(B.s; (NeR[OW(B, (N`RIJ lEONIDOWI^s ((NmOSKWA (B:s (NnAUKA(B,s, 1977)
(NpEREWOD IZD(B.: Degrees of Unsolvabilitys
Keywords: (NsTEPENI NERAZRE[IMOSTIs