@article{02216835, title = {On the energy of sections of trivializable sphere bundles.}, journal = {Rendiconti del Seminario Matematico}, volume = {60}, year = {2002}, pages = {147-155}, zbl = {1177.53035}, language = {en}, url = {http://dml.mathdoc.fr/item/02216835} }
Salvai, M. On the energy of sections of trivializable sphere bundles.. Rendiconti del Seminario Matematico, Tome 60 (2002) pp. 147-155. http://gdmltest.u-ga.fr/item/02216835/