%0 Journal Article %A А. D. Poezd %A A. G. Sveshnikov %A S. A. Yakunin %T Exact discrete nonstanionary radiation conditions for spherical system of coordinates in absence of azimuthal symmetry %J Matematičeskoe modelirovanie %D 1991 %P 30-41 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1991_3_2_a2/ %G ru %F MM_1991_3_2_a2