@article{EJDE_1997__1997__a31,
     author = {Alves, C.O.},
     title = {Multiple positive solutions for equations involving critical {Sobolev} exponent in $\bbfR\sp N$},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {1997},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a31/}
}