%0 Journal Article %A V. G. Romanov %T Local solvability of some multidimensional inverse problems for equations of hyperbolic type %J Differencialʹnye uravneniâ %D 1989 %P 275-283 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_2_a14/ %G ru %F DE_1989_25_2_a14