(NbYSTREE MYSLI (B/s - (NkOBRINSKIJ(B, (NnATAN eFIMOWI^(B.s; (NpEKELIS(B, (NwIKTOR dAWYDOWI^(B.s ((NmOSKWA (B:s (NmOL(B. (NGWARDIQ(B,s, 1959)
Keywords: (NwY^ISLITELXNAQ MATEMATIKAs