%0 Journal Article
%A N. V. Baidakova
%T New Estimates of the Error of Approximation of Derivatives under Interpolation of a Function on a Triangle by Polynomials of the Third Degree
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2013
%P 15-19
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2013_13_1_a3/
%G ru
%F ISU_2013_13_1_a3