%0 Journal Article
%A A. H. Turetzkii
%T A~class of functions for which a~given summation method yields the best order approximation.~II
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1966
%P 159-165
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1966_3_a20/
%G ru
%F IVM_1966_3_a20