TY - JOUR AU - A. H. Begmatov TI - Volterra-type problems of integral geometry over a family of rays in three-dimensional space JO - Fundamentalʹnaâ i prikladnaâ matematika PY - 1997 SP - 1109 EP - 1115 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FPM_1997_3_4_a14/ LA - ru ID - FPM_1997_3_4_a14 ER -