@article{CMFD_2024_70_1_a5,
     author = {T. M. Ivanova and A. B. Kostin and A. I. Rubinshtein and V. B. Sherstyukov},
     title = {On limit cycles of autonomous systems},
     journal = {Contemporary Mathematics. Fundamental Directions},
     pages = {77--98},
     publisher = {mathdoc},
     volume = {70},
     number = {1},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMFD_2024_70_1_a5/}
}