%0 Journal Article %A Yu. N. Vatolin %T An equation of the motion of electromagnetic waves in %J Doklady Akademii Nauk %D 1984 %P 1340-1343 %V 278 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_278_6_a13/ %G ru %F DAN_1984_278_6_a13