@phdthesis{THESE_1941__236__1_0, author = {Kravtchenko, Julien}, title = {Sur le probl\`eme de repr\'esentation conforme de {Helmholtz} ; th\'eorie des sillages et des proues}, series = {Th\`eses de l'entre-deux-guerres}, number = {236}, year = {1941}, language = {fr}, url = {http://archive.numdam.org/item/THESE_1941__236__1_0/} }