@article{ASENS_1950_3_67__321_0,
     author = {Haag, Jules},
     title = {Sur la synchronisation des syst\`emes oscillants non lin\'eaires},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {321--392},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 67},
     year = {1950},
     doi = {10.24033/asens.983},
     mrnumber = {12,706g},
     zbl = {0039.19701},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.983/}
}