TY - JOUR AU - V. A. Sharafutdinov TI - Exponential ray transformation on a Riemannian manifold JO - Doklady Akademii Nauk PY - 1995 SP - 600 EP - 601 VL - 340 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1995_340_5_a6/ LA - ru ID - DAN_1995_340_5_a6 ER -