@article{10_1007_s10492_006_0025_7,
     author = {Cavalheiro, Albo Carlos},
     title = {The {Neumann} problem for some degenerate elliptic equations},
     journal = {Applications of Mathematics},
     pages = {619--628},
     publisher = {mathdoc},
     volume = {51},
     number = {6},
     year = {2006},
     doi = {10.1007/s10492-006-0025-7},
     mrnumber = {2291786},
     zbl = {1164.35362},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10492-006-0025-7/}
}