%0 Journal Article %A I. K. Lifanov %A L. N. Poltavskii %T Pseudodifference operators and uniform convergence of %J Sbornik. Mathematics %D 2002 %P 205-230 %V 193 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_2002_193_2_a2/ %G en %F SM_2002_193_2_a2