Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1947__62_3_a0, author = {{\CYRV}. {\CYRT}{\cyrr}{\cyrzh}{\cyri}{\cyrc}{\cyri}{\cyrn}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {Singular elliptic and hyperbolic partial differential equations}, journal = {Matemati\v{c}eskij sbornik}, pages = {365--430}, publisher = {mathdoc}, volume = {62}, number = {3}, year = {1947}, zbl = {0029.03903}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MS_1947__62_3_a0/} }
В. Тржицинский. Singular elliptic and hyperbolic partial differential equations. Matematičeskij sbornik, Tome 62 (1947) no. 3, pp. 365-430. http://geodesic.mathdoc.fr/item/MS_1947__62_3_a0/