@article{ASENS_1905_3_22__539_0,
author = {Davidoglou, A.},
title = {\'Etude de l'\'equation diff\'erentielle ${d^2[\theta (x){d^2y\over dx^2}]\over dx^2}=k\phi (x)y$},
journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
volume = {22},
year = {1905},
pages = {539-565},
doi = {10.24033/asens.560},
language = {fr},
url = {http://dml.mathdoc.fr/item/ASENS_1905_3_22__539_0}
}
Davidoglou, A. Étude de l’équation différentielle ${d^2[\theta (x){d^2y\over dx^2}]\over dx^2}=k\phi (x)y$. Annales scientifiques de l'École Normale Supérieure, Tome 22 (1905) pp. 539-565. doi : 10.24033/asens.560. http://gdmltest.u-ga.fr/item/ASENS_1905_3_22__539_0/