%0 Journal Article %A L. E. Rossovskii %T Strongly elliptic difference-differential operators in semibounded cylinder %J Fundamentalʹnaâ i prikladnaâ matematika %D 2001 %P 289-293 %V 7 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2001_7_1_a19/ %G ru %F FPM_2001_7_1_a19