%0 Journal Article
%A V. V. Davydovych
%T Preliminary group classification of $(2+1)$-dimensional linear ultraparabolic Kolmogorov--Fokker--Planck equations
%J Ufa mathematical journal
%D 2015
%P 38-46
%V 7
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/UFA_2015_7_3_a4/
%G en
%F UFA_2015_7_3_a4