@article{10_4153_CMB_1997_055_7,
     author = {Kuo, Chung-Cheng},
     title = {On the {Solvability} of a {Neumann} {Boundary} {Value} {Problem} at {Resonance}},
     journal = {Canadian mathematical bulletin},
     pages = {464--470},
     year = {1997},
     volume = {40},
     number = {4},
     doi = {10.4153/CMB-1997-055-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1997-055-7/}
}