%0 Journal Article
%A M. Ya. Zinger
%T Extremal estimates of the derivatives of a~trigonometric polynomial on an interval shorter than the period
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1969
%P 62-66
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1969_6_a7/
%G ru
%F IVM_1969_6_a7