@article{ARM_2006_42_2_a1,
     author = {Filippakis, Michael E. and Papageorgiou, Nikolaos S.},
     title = {Periodic solutions for differential inclusions in ${\Bbb R}^N$},
     journal = {Archivum mathematicum},
     pages = {115--123},
     year = {2006},
     volume = {42},
     number = {2},
     mrnumber = {2240188},
     zbl = {1164.34320},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_2006_42_2_a1/}
}