@article{RCP25_1978__25__1_0,
     author = {Leray, Jean},
     title = {Analyse lagrangienne et m\'ecanique quantique ; (notions apparent\'ees \`a celles d\'eveloppement asymptotique et d'indice de {Maslov)} {Pr\'eface}},
     journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25},
     note = {talk:1},
     pages = {1--2},
     publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur},
     volume = {25},
     year = {1978},
     language = {fr},
     url = {http://www.numdam.org/item/RCP25_1978__25__1_0/}
}