%0 Journal Article %A Romanov, V.G. %T Carleman estimates for second-order hyperbolic equations. %J Sibirskij Matematicheskij Zhurnal %D 2006 %P 169 %V 47 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/SMZ_2006__47_1_53126/ %G en %F SMZ_2006__47_1_53126