@article{DAN_1984_278_6_a13, author = {Yu. N. Vatolin}, title = {An equation of the motion of electromagnetic waves in}, journal = {Doklady Akademii Nauk}, pages = {1340--1343}, publisher = {mathdoc}, volume = {278}, number = {6}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_6_a13/} }