@article{ARM_2006__42_3_a2,
     author = {Filippakis, Michael E.},
     title = {Periodic solutions for systems with nonsmooth and partially coercive potential},
     journal = {Archivum mathematicum},
     pages = {225--232},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {2006},
     mrnumber = {2260380},
     zbl = {1164.34319},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2006__42_3_a2/}
}