@article{JMPA_1939_9_18__145_0,
     author = {Orloff, Constantin},
     title = {Sur la formation de l'int\'egrale g\'en\'erale d'une \'equation aux d\'eriv\'ees partielles du second ordre, au moyen d'une int\'egrale compl\`ete},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {145--156},
     publisher = {Gauthier-Villars},
     volume = {9e s{\'e}rie, 18},
     year = {1939},
     zbl = {0021.40402},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1939_9_18__145_0/}
}