@article{PDML_1988___1B_161_0,
     author = {Dufour, J. P. and Molino, P.},
     title = {Chapitre {VI} {Compactification} d{\textquoteright}actions de $\mathbb {R}^n$ et variables action-angle avec singularit\'es},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {161--183},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     number = {1B},
     year = {1988},
     language = {fr},
     url = {http://archive.numdam.org/item/PDML_1988___1B_161_0/}
}