@article{SJIM_2019_22_4_a1,
     author = {N. B. Ayupova and V. P. Golubyatnikov},
     title = {Structure of the phase portrait of a piecewise-linear dynamical system},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {19--25},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2019_22_4_a1/}
}