@article{DIA_1986__16__1_0,
     author = {Shih, Weishu},
     title = {Une m\'ethode \'el\'ementaire pour l'\'etude des \'equations aux d\'eriv\'ees partielles},
     journal = {Diagrammes},
     pages = {WS1--WS69},
     publisher = {Universit\'e Paris 7, Unit\'e d'enseignement et de recherche de math\'ematiques},
     volume = {16},
     year = {1986},
     mrnumber = {887783},
     language = {fr},
     url = {http://www.numdam.org/item/DIA_1986__16__1_0/}
}