@article{ARM_1996__32_1_a0,
     author = {Kravvaritis, Dimitrios and Papageorgiou, Nikolaos S.},
     title = {On the existence of periodic solutions for nonconvex differential inclusions},
     journal = {Archivum mathematicum},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1996},
     mrnumber = {1399836},
     zbl = {0870.34018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ARM_1996__32_1_a0/}
}