@article{ASENS_1878_2_7__409_0,
     author = {Combescure, E.},
     title = {Sur les param\`etres diff\'erentielles des fonctions et sur les lignes isothermes permanentes},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {409--434},
     publisher = {Elsevier},
     volume = {2e s{\'e}rie, 7},
     year = {1878},
     doi = {10.24033/asens.167},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.167/}
}