@article{VMUMM_2020_3_a12,
     author = {I. S. Konovalenko},
     title = {On construction of an attainability set in the neighborhood of a periodic attractor},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {67--71},
     year = {2020},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2020_3_a12/}
}