TY - JOUR AU - Kh. A. Khachatryan AU - H. S. Petrosyan TI - On an integral equation with concave nonlinearity JO - The Bulletin of Irkutsk State University. Series Mathematics PY - 2024 SP - 66 EP - 82 VL - 50 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IIGUM_2024_50_a4/ LA - ru ID - IIGUM_2024_50_a4 ER -