@article{10_4153_CJM_1974_083_4, author = {McCandless, W. L.}, title = {Existence {Theorems} for {Nonlinear} {Boundary} {Value} {Problems}}, journal = {Canadian journal of mathematics}, pages = {884--892}, year = {1974}, volume = {26}, number = {4}, doi = {10.4153/CJM-1974-083-4}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-083-4/} }