@article{SJL_1972-1973____1_0,
     author = {Leray, Jean},
     title = {Solutions asymptotiques des \'equations aux d\'eriv\'ees partielles (une adaptation du trait\'e de {V.} {P.} {Maslov)}},
     journal = {S\'eminaire sur les \'equations aux d\'eriv\'ees partielles},
     pages = {1--24},
     year = {1972-1973},
     publisher = {Coll\`ege de France},
     language = {fr},
     url = {https://www.numdam.org/item/SJL_1972-1973____1_0/}
}