(Nu^ENYE ZAPISKI kAFEDRY MATEMATIKI (B/s - (NtAGANROGSKIJ PEDAGOGI^ESKIJ INSTITUT s (NkAFEDRA MATEMATIKIs; (NoLES@K(B, (Ne(B.(Nw(B.s ((NtAGANROG (B:s (Nb(B. (NI(B.,s, 1961)
Keywords: (NmATEMATIKA WYS[AQ (B- (NsBORNIKIs