Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{RSM_1998__56_3_126552, author = {Chi, M.Y.}, title = {Hadamard's fundamental solution and multiple-characteristic problems.}, journal = {Rendiconti del seminario matematico}, pages = {1--35}, publisher = {mathdoc}, volume = {56}, number = {3}, year = {1998}, zbl = {1098.35518}, language = {en}, url = {http://geodesic.mathdoc.fr/item/RSM_1998__56_3_126552/} }
Chi, M.Y. Hadamard's fundamental solution and multiple-characteristic problems.. Rendiconti del seminario matematico, Tome 56 (1998) no. 3, pp. 1-35. http://geodesic.mathdoc.fr/item/RSM_1998__56_3_126552/