%0 Journal Article %A V. N. Margaryan %A H. G. Ghazaryan %T Almost hypoelliptic operators with constant powers %J Eurasian mathematical journal %D 2015 %P 29-43 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2015_6_4_a3/ %G en %F EMJ_2015_6_4_a3