@article{GDZPPN002303663, title = {Nonlinear Compact Mappings and their Adjoints.}, journal = {Mathematische Annalen}, volume = {189}, year = {1970}, pages = {5-25}, zbl = {0189.14701}, url = {http://dml.mathdoc.fr/item/GDZPPN002303663} }
BATT, J. Nonlinear Compact Mappings and their Adjoints.. Mathematische Annalen, Tome 189 (1970) pp. 5-25. http://gdmltest.u-ga.fr/item/GDZPPN002303663/