@article{ND_2021_17_2_a6,
     author = {M. V. Yashina and A. G. Tatashev},
     title = {A {Two-Contour} {System} with {Two} {Clusters
}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {221--242},
     publisher = {mathdoc},
     volume = {17},
     number = {2},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ND_2021_17_2_a6/}
}