Voir la notice de l'article provenant de la source Heldermann Verlag
@article{JCA_1997_4_2_a10, author = {B. Kawohl and J. Lang}, title = {Are {Some} {Optimal} {Shape} {Problems} {Convex?}}, journal = {Journal of convex analysis}, pages = {353--362}, publisher = {mathdoc}, volume = {4}, number = {2}, year = {1997}, url = {http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a10/} }
B. Kawohl; J. Lang. Are Some Optimal Shape Problems Convex?. Journal of convex analysis, Tome 4 (1997) no. 2, pp. 353-362. http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a10/