%0 Journal Article %A A. R. Maikov %T On approximate open boundary conditions and their performance over long time intervals %J Numerical methods and programming %D 2012 %P 139-148 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMP_2012_13_1_a14/ %G ru %F VMP_2012_13_1_a14