TY - JOUR AU - V. A. Sharafutdinov TI - On the problem of emission tomography for nonhomogeneous media JO - Doklady Akademii Nauk PY - 1992 SP - 446 EP - 448 VL - 326 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_326_3_a11/ LA - ru ID - DAN_1992_326_3_a11 ER -