@article{AIF_1992__42_4_891_0,
     author = {Hadjar, M. E. A.},
     title = {Sur un probl\`eme d'existence relatif de formes de contact invariantes en dimension trois},
     journal = {Annales de l'Institut Fourier},
     pages = {891--904},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {42},
     number = {4},
     year = {1992},
     doi = {10.5802/aif.1314},
     zbl = {0759.53020},
     mrnumber = {93k:57056},
     language = {fr},
     url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1314/}
}