(NaNALITI^ESKIE I ^ISLENNYE METODY RE[ENIQ ZADA^ MATEMATIKI I MEHANIKI (B/s - (NvAUTYKOW(B, (No(B.(Na(B.s; (NiNSTITUT MATEMATIKI I MEHANIKI an kAZssrs ((NaLMA(B-(NaTA (B:s (NnAUKA(B,s, 1984)
Keywords: (NmATEMATIKAs