@article{01370668, title = {The generalized Conley index and multiple solutions of semilinear elliptic problems.}, journal = {Abstract and Applied Analysis}, volume = {1}, year = {1996}, pages = {103-135}, doi = {10.1155/S108533759600005X}, zbl = {0933.35069}, language = {en}, url = {http://dml.mathdoc.fr/item/01370668} }
Dancer, E.N.; Du, Yihong. The generalized Conley index and multiple solutions of semilinear elliptic problems.. Abstract and Applied Analysis, Tome 1 (1996) pp. 103-135. doi : 10.1155/S108533759600005X. http://gdmltest.u-ga.fr/item/01370668/