Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1976__146_172301, author = {Klaus Steffen}, title = {On the {Existence} of {Surfaces} with {Prescribed} {Mean} {Curvature} and {Boundary.}}, journal = {Mathematische Zeitschrift}, pages = {113--136}, publisher = {mathdoc}, volume = {146}, year = {1976}, zbl = {0343.49016}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__146_172301/} }
Klaus Steffen. On the Existence of Surfaces with Prescribed Mean Curvature and Boundary.. Mathematische Zeitschrift, Tome 146 (1976), pp. 113-136. http://geodesic.mathdoc.fr/item/MZ_1976__146_172301/