@article{10_4064_cm88_2_3,
     author = {J. Chabrowski and P. M. Gir\~ao},
     title = {The nonlinear {Neumann} problem
and sharp weighted {Sobolev} inequalities},
     journal = {Colloquium Mathematicum},
     pages = {193--213},
     publisher = {mathdoc},
     volume = {88},
     number = {2},
     year = {2001},
     doi = {10.4064/cm88-2-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm88-2-3/}
}