@article{FAA_1992_26_1_a0,
     author = {O. G. Galkin},
     title = {Phase-locking for mathieu type vector fields on a torus},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {26},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_1_a0/}
}