%0 Journal Article %A M. Ya. Agre %A L. P. Rapoport %T Variational principles for the scattering problem in the presence of a strong electromagnetic wave %J Teoretičeskaâ i matematičeskaâ fizika %D 1979 %P 121-127 %V 38 %N 1 %U http://geodesic.mathdoc.fr/item/TMF_1979_38_1_a11/ %G ru %F TMF_1979_38_1_a11