@article{ASENS_1947_3_64__285_0,
     author = {Haag, Jules},
     title = {Sur la synchronisation des syst\`emes \`a plusieurs degr\'es de libert\'e},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {285--338},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 64},
     year = {1947},
     doi = {10.24033/asens.952},
     mrnumber = {10,377b},
     zbl = {0033.21803},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.952/}
}