@article{IIGUM_2024_50_a4,
     author = {Kh. A. Khachatryan and H. S. Petrosyan},
     title = {On an integral equation with concave nonlinearity},
     journal = {The Bulletin of Irkutsk State University. Series Mathematics},
     pages = {66--82},
     year = {2024},
     volume = {50},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IIGUM_2024_50_a4/}
}