@article{1077306304, author = {Croke, Christopher B.}, title = {Lower bounds on the energy of maps}, journal = {Duke Math. J.}, volume = {54}, number = {1}, year = {1987}, pages = { 901-908}, language = {en}, url = {http://dml.mathdoc.fr/item/1077306304} }
Croke, Christopher B. Lower bounds on the energy of maps. Duke Math. J., Tome 54 (1987) no. 1, pp. 901-908. http://gdmltest.u-ga.fr/item/1077306304/