%0 Journal Article
%A S. E. Pastukhova
%T Approximations of the operator exponential in a~periodic diffusion problem with drift
%J Sbornik. Mathematics
%D 2013
%P 280-306
%V 204
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_2013_204_2_a6/
%G en
%F SM_2013_204_2_a6