%0 Journal Article %A L. P. Grabar' %T Numerical differentiation by means of Chebyshev polynomials orthonormalized on a system of equidistant points %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1967 %P 1375-1379 %V 7 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_6_a14/ %G ru %F ZVMMF_1967_7_6_a14