TY - JOUR AU - V. P. Khakhlyutin TI - On a problem in integral geometry in the plane JO - Doklady Akademii Nauk PY - 1991 SP - 832 EP - 834 VL - 320 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_320_4_a13/ LA - ru ID - DAN_1991_320_4_a13 ER -