@article{RSMUP_1979__61__115_0, author = {Invernizzi, S. and Zanolin, Fabio}, title = {Periodic solutions of a differential delay equation of Rayleigh type}, journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova}, volume = {61}, year = {1979}, pages = {115-124}, mrnumber = {569654}, zbl = {0429.34064}, language = {en}, url = {http://dml.mathdoc.fr/item/RSMUP_1979__61__115_0} }
Invernizzi, S.; Zanolin, F. Periodic solutions of a differential delay equation of Rayleigh type. Rendiconti del Seminario Matematico della Università di Padova, Tome 61 (1979) pp. 115-124. http://gdmltest.u-ga.fr/item/RSMUP_1979__61__115_0/
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