@article{AIHPA_1985__42_2_117_0,
     author = {Pnevmatikos, Spyros N.},
     title = {Contraintes g\'en\'eriques en g\'eom\'etrie de contact},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {117--126},
     publisher = {Gauthier-Villars},
     volume = {42},
     number = {2},
     year = {1985},
     mrnumber = {798694},
     zbl = {0591.58010},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPA_1985__42_2_117_0/}
}