%0 Journal Article %A M. M. Potapov %T Strong convergence of difference approximations for problems of boundary control and observation for the wave equation %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1998 %P 387-397 %V 38 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_3_a3/ %G ru %F ZVMMF_1998_38_3_a3