@article{FPM_2019_22_6_a4,
     author = {E. E. Karginova},
     title = {Liouville foliation of topological billiards in the {Minkowski} plane},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {123--150},
     publisher = {mathdoc},
     volume = {22},
     number = {6},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_2019_22_6_a4/}
}