%0 Journal Article %A A. I. Kozhanov %A Yu. A. Kosheleva %T Linear inverse problems for ultraparabolic equations: the case of an unknown coefficient of space type %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2016 %P 27-39 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2016_16_3_a2/ %G ru %F VNGU_2016_16_3_a2