%0 Journal Article %A M. Yu. Trofimov %A P. S. Petrov %T On the application of nonstationary form of the Tappert equation as an artificial boundary condition %J Fundamentalʹnaâ i prikladnaâ matematika %D 2009 %P 191-206 %V 15 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_2009_15_2_a8/ %G ru %F FPM_2009_15_2_a8