@article{1183528961,
author = {Almgren, F. J.},
title = {Existence and regularity of solutions to elliptic calculus of variations problems among surfaces of varying topological type and singularity structure},
journal = {Bull. Amer. Math. Soc.},
volume = {73},
number = {6},
year = {1967},
pages = { 576-580},
language = {en},
url = {http://dml.mathdoc.fr/item/1183528961}
}
Almgren, F. J. Existence and regularity of solutions to elliptic calculus of variations problems among surfaces of varying topological type and singularity structure. Bull. Amer. Math. Soc., Tome 73 (1967) no. 6, pp. 576-580. http://gdmltest.u-ga.fr/item/1183528961/