TY - JOUR AU - D. V. Treschev TI - On a conjugacy problem in billiard dynamics JO - Informatics and Automation PY - 2015 SP - 309 EP - 317 VL - 289 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2015_289_a16/ LA - ru ID - TRSPY_2015_289_a16 ER -