@article{CMUC_1982__23_3_a0, author = {Capozzi, Alberto and Salvatore, Addolorata}, title = {Periodic solutions for nonlinear problems with strong resonance at infinity}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {415--425}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1982}, mrnumber = {677851}, zbl = {0507.34035}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1982__23_3_a0/} }