TY - JOUR AU - V. D. Irtegov AU - T. N. Titorenko TI - On invariant sets for the equations of motion of a rigid body in the Hess–Appelrot case JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2020 SP - 20 EP - 34 VL - 33 UR - http://geodesic.mathdoc.fr/item/IIGUM_2020_33_a1/ LA - en ID - IIGUM_2020_33_a1 ER -