%0 Journal Article %A M. D. Kalashnikov %T The convergence of sequences of polynomials of best mean square approximation for continuous functions %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1968 %P 35-48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1968_2_a4/ %G ru %F IVM_1968_2_a4