%0 Journal Article %A I. E. Svetov %T Properties of the ray transforms of two-dimensional $2$-tensor fields given in the unit disk %J Sibirskij žurnal industrialʹnoj matematiki %D 2013 %P 121-130 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2013_16_4_a10/ %G ru %F SJIM_2013_16_4_a10