@article{ASENS_1880_2_9__21_0,
     author = {Cornu, A.},
     title = {Sur le spectre normal du Soleil, Partie ultra-violette},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     publisher = {Elsevier},
     volume = {2e s{\'e}rie, 9},
     year = {1880},
     pages = {21-106},
     doi = {10.24033/asens.184},
     language = {fr},
     url = {http://www.numdam.org/item/ASENS_1880_2_9__21_0}
}

Cornu, A. Sur le spectre normal du Soleil, Partie ultra-violette. Annales scientifiques de l'École Normale Supérieure, Serie 2, Volume 9 (1880) , pp. 21-106. doi : 10.24033/asens.184. http://www.numdam.org/item/ASENS_1880_2_9__21_0/