(NuRAWNENIQ SWERTKI W MNOGOMERNYH PROSTRANSTWAH (B/s - (NnAPALKOW(B, (NwALENTIN wASILXEWI^s ((NmOSKWA (B:s (NnAUKA(B. (NgL(B. (NRED(B. (NFIZ(B.-(NMAT(B. (NLIT(B.,s, 1982)
Keywords: (NfUNKCIONALXNYE URAWNENIQs