%0 Journal Article %A A. O. Vatulyan %T On boundary integral equations of the first kind in dynamic %J Doklady Akademii Nauk %D 1993 %P 312-314 %V 333 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_333_3_a10/ %G ru %F DAN_1993_333_3_a10