TY - JOUR AU - O. E. Orel AU - S. Takahashi TI - Orbital classification of the integrable problems of Lagrange and Goryachev–Chaplygin by the methods of computer analysis JO - Sbornik. Mathematics PY - 1996 SP - 93 EP - 110 VL - 187 IS - 1 UR - http://geodesic.mathdoc.fr/item/SM_1996_187_1_a5/ LA - en ID - SM_1996_187_1_a5 ER -