@article{SM_2022_213_12_a1,
     author = {V. V. Vedyushkina and V. N. Zav'yalov},
     title = {Realization of geodesic flows with a~linear first integral by billiards with slipping},
     journal = {Sbornik. Mathematics},
     pages = {1645--1664},
     year = {2022},
     volume = {213},
     number = {12},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2022_213_12_a1/}
}