%0 Journal Article %A S. Ya. Pirmetova %T Approximative properties of mixed series by Lagerre's polynomials onclasses of smooth functions %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2008 %P 3-11 %V 8 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2008_8_2_a0/ %G ru %F ISU_2008_8_2_a0