Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1976__150_172423, author = {Herbert Amann}, title = {Existence and {Multiplicity} {Theorems} for {Semi-linear} {Elliptic} {Boundary} {Value} {Problems.}}, journal = {Mathematische Zeitschrift}, pages = {281--295}, publisher = {mathdoc}, volume = {150}, year = {1976}, zbl = {0331.35026}, url = {http://geodesic.mathdoc.fr/item/MZ_1976__150_172423/} }
Herbert Amann. Existence and Multiplicity Theorems for Semi-linear Elliptic Boundary Value Problems.. Mathematische Zeitschrift, Tome 150 (1976), pp. 281-295. http://geodesic.mathdoc.fr/item/MZ_1976__150_172423/