@article{RSMUP_1985__74__147_0, author = {Salvatore, A.}, title = {Periodic solutions of asymptotically linear systems without symmetry}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {74}, year = {1985}, pages = {147-161}, mrnumber = {818724}, zbl = {0592.34030}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_1985__74__147_0} }
Salvatore, A. Periodic solutions of asymptotically linear systems without symmetry. Rendiconti del Seminario Matematico della Università di Padova, Tome 74 (1985) pp. 147-161. http://gdmltest.u-ga.fr/item/RSMUP_1985__74__147_0/
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