@article{MAN_1966__167_161480,
     author = {K Yano and Y. Muto},
     title = {Homogeneous {Contact} {Structures}},
     journal = {Mathematische Annalen},
     pages = {195--213},
     year = {1966},
     volume = {167},
     zbl = {0145.18801},
     url = {http://geodesic.mathdoc.fr/item/MAN_1966__167_161480/}
}