@article{FAA_1988_22_2_a18,
     author = {V. F. Lazutkin},
     title = {Splitting of complex separatrices},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {83--84},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1988_22_2_a18/}
}