@article{IM2_2003_67_6_a4,
     author = {A. Yu. Kolesov and N. Kh. Rozov},
     title = {The existence of countably many stable cycles for a~generalized cubic {Schr\"odinger} equation in a~planar domain},
     journal = {Izvestiya. Mathematics},
     pages = {1213--1242},
     year = {2003},
     volume = {67},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2003_67_6_a4/}
}