@article{10_4064_cm94_1_10,
     author = {J. Chabrowski and Shusen Yan},
     title = {On the nonlinear {Neumann} problem at resonance
 with critical {Sobolev} nonlinearity},
     journal = {Colloquium Mathematicum},
     pages = {141--150},
     publisher = {mathdoc},
     volume = {94},
     number = {1},
     year = {2002},
     doi = {10.4064/cm94-1-10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm94-1-10/}
}