@article{1178243040, author = {Tashiro, Yoshihiro}, title = {On contact structures of tangent sphere bundles}, journal = {Tohoku Math. J. (2)}, volume = {21}, number = {4}, year = {1969}, pages = { 117-143}, language = {en}, url = {http://dml.mathdoc.fr/item/1178243040} }
Tashiro, Yoshihiro. On contact structures of tangent sphere bundles. Tohoku Math. J. (2), Tome 21 (1969) no. 4, pp. 117-143. http://gdmltest.u-ga.fr/item/1178243040/