TY - JOUR AU - O. E. Orel TI - Topological properties of a~rotation function in integrable Jacobi problem for geodesics on ellipsoid JO - Zapiski Nauchnykh Seminarov POMI PY - 1996 SP - 143 EP - 152 VL - 234 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a10/ LA - en ID - ZNSL_1996_234_a10 ER -