@article{MAN_1993__297_3_165117, author = {Hajime Sato and Keizo Yamaguchi}, title = {Lie contact manifolds. {II.}}, journal = {Mathematische Annalen}, pages = {33--58}, publisher = {mathdoc}, volume = {297}, number = {3}, year = {1993}, zbl = {0789.53021}, url = {http://geodesic.mathdoc.fr/item/MAN_1993__297_3_165117/} }