@article{SM_2024_215_5_a0,
     author = {G. V. Belozerov and A. T. Fomenko},
     title = {Orbital invariants of billiards and~linearly integrable geodesic flows},
     journal = {Sbornik. Mathematics},
     pages = {573--611},
     publisher = {mathdoc},
     volume = {215},
     number = {5},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2024_215_5_a0/}
}