TY - JOUR AU - Yu. E. Anikonov TI - An estimate in a problem of integral geometry JO - Doklady Akademii Nauk PY - 1993 SP - 405 EP - 406 VL - 330 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1993_330_4_a0/ LA - ru ID - DAN_1993_330_4_a0 ER -