@article{FAA_1992_26_2_a3,
     author = {E. G. Rosales},
     title = {On the growth of the number of long periodic solutions of differential equations},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {29--35},
     publisher = {mathdoc},
     volume = {26},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1992_26_2_a3/}
}