%0 Journal Article %A O. E. Orel %T Topological properties of a~rotation function in integrable Jacobi problem for geodesics on ellipsoid %J Zapiski Nauchnykh Seminarov POMI %D 1996 %P 143-152 %V 234 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1996_234_a10/ %G en %F ZNSL_1996_234_a10