@article{RSM_2002__60_3_116635,
     author = {Salvai, M.},
     title = {On the energy of sections of trivializable sphere bundles.},
     journal = {Rendiconti del seminario matematico},
     pages = {147--155},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {2002},
     zbl = {1177.53035},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RSM_2002__60_3_116635/}
}