@article{CM_1939__6__228_0, author = {Kupradze, V.}, title = {Zur Frage der Ausbreitung elektromagnetischer Wellen in einem inhomogenen ebenen Medium}, journal = {Compositio Mathematica}, pages = {228--234}, publisher = {Johnson Reprint Corporation}, volume = {6}, year = {1939}, zbl = {0021.17803}, language = {de}, url = {archive.numdam.org/item/CM_1939__6__228_0/} }
Kupradze, V. Zur Frage der Ausbreitung elektromagnetischer Wellen in einem inhomogenen ebenen Medium. Compositio Mathematica, Tome 6 (1939) , pp. 228-234. http://archive.numdam.org/item/CM_1939__6__228_0/