@article{IIGUM_2015_13_a1,
     author = {S. V. Kornev},
     title = {The method of generalized integral guiding function in the periodic problem of differential inclusions},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {16--31},
     year = {2015},
     volume = {13},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2015_13_a1/}
}