@article{RSMUP_1990__83__19_0,
author = {Mirenghi, Elvira and Tucci, Maria},
title = {Existence of $T$-periodic solutions for a class of lagrangian systems},
journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
volume = {84},
year = {1990},
pages = {19-32},
mrnumber = {1066425},
zbl = {0709.34034},
language = {en},
url = {http://dml.mathdoc.fr/item/RSMUP_1990__83__19_0}
}
Mirenghi, Elvira; Tucci, Maria. Existence of $T$-periodic solutions for a class of lagrangian systems. Rendiconti del Seminario Matematico della Università di Padova, Tome 84 (1990) pp. 19-32. http://gdmltest.u-ga.fr/item/RSMUP_1990__83__19_0/
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