%0 Journal Article %A P. I. Ruban %A K. V. Krasil'nikov %T A method of approximating by trigonometric polynomials functions satisfying a Lipschitz condition %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1960 %P 194-197 %N 1 %U http://geodesic.mathdoc.fr/item/IVM_1960_1_a20/ %G ru %F IVM_1960_1_a20