%0 Journal Article %A A. I. Kozhanov %A S. V. Potapova %T Conjugate problem for third order equation with multiple characteristics and positive function on the highest derivative %J Sibirskij žurnal čistoj i prikladnoj matematiki %D 2015 %P 51-59 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/VNGU_2015_15_2_a3/ %G ru %F VNGU_2015_15_2_a3