@article{NSJOM_1991_21_1a_17,
     author = {Kamenski\u{i} M. I. and Obukhovski\u{i} V.V.},
     title = {On periodic solutions of 

 differential inclusions with unbounded operations in banach spaces},
     journal = {Novi Sad Journal of Mathematics},
     pages = {173-191},
     publisher = {mathdoc},
     volume = {21},
     number = {1},
     year = {1991},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1991_21_1a_17/}
}