@article{MAN_1991__289_4_164780, author = {P. Philippon}, title = {Sur des hauteurs alternatives. {I.}}, journal = {Mathematische Annalen}, pages = {255--284}, year = {1991}, volume = {289}, number = {4}, zbl = {0726.14017}, url = {http://geodesic.mathdoc.fr/item/MAN_1991__289_4_164780/} }