@article{01130741,
title = {Are some optimal shape problems convex?},
journal = {Journal of Convex Analysis},
volume = {4},
year = {1997},
pages = {353-361},
zbl = {0897.49002},
language = {en},
url = {http://dml.mathdoc.fr/item/01130741}
}
Kawohl, Bernd; Lang, Jan. Are some optimal shape problems convex?. Journal of Convex Analysis, Tome 4 (1997) pp. 353-361. http://gdmltest.u-ga.fr/item/01130741/