@article{SE_1964__6__A5_0,
     author = {Tondeur, Ph.},
     title = {Sur certaines connexions naturelles d'un groupe de {Lie.} {Applications}},
     journal = {S\'eminaire Ehresmann. Topologie et g\'eom\'etrie diff\'erentielle},
     note = {talk:5},
     pages = {1--9},
     publisher = {Secr\'etariat math\'ematique},
     volume = {6},
     year = {1964},
     mrnumber = {175059},
     zbl = {0166.17604},
     language = {fr},
     url = {http://www.numdam.org/item/SE_1964__6__A5_0/}
}