@article{EJDE_1999__1999__a10,
     author = {Chen, Chao-Nien and Tzeng, Shyuh-yaur},
     title = {Some properties of {Palais-Smale} sequences with applications to elliptic boundary-value problems},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {1999},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a10/}
}