@article{urn:eudml:doc:44202, title = {On multiple solutions for nonhomogeneous system of elliptic equations.}, journal = {Revista Matem\'atica de la Universidad Complutense de Madrid}, volume = {9}, year = {1996}, pages = {207-234}, zbl = {0876.35040}, mrnumber = {MR1413275}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:44202} }
Chabrowski, J. On multiple solutions for nonhomogeneous system of elliptic equations.. Revista Matemática de la Universidad Complutense de Madrid, Tome 9 (1996) pp. 207-234. http://gdmltest.u-ga.fr/item/urn:eudml:doc:44202/