%0 Journal Article
%A A. Khatamov
%T Approximation of functions with a~convex derivative by means of splines
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1980
%P 87-95
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1980_4_a14/
%G ru
%F IVM_1980_4_a14