@article{M2AN_1992__26_4_493_0,
     author = {Romano, M.},
     title = {\'Etude num\'erique des solutions p\'eriodiques d'une \'equation du second ordre},
     journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique},
     pages = {493--506},
     publisher = {AFCET - Gauthier-Villars},
     address = {Paris},
     volume = {26},
     number = {4},
     year = {1992},
     mrnumber = {1163978},
     zbl = {0761.65053},
     language = {fr},
     url = {http://archive.numdam.org/item/M2AN_1992__26_4_493_0/}
}