@article{DAN_1976_229_2_a0,
     author = {S. Ashirov and Ya. D. Mamedov},
     title = {Investigation of solutions of nonlinear {Volterra--Fredholm} operator equations},
     journal = {Doklady Akademii Nauk},
     pages = {265--268},
     publisher = {mathdoc},
     volume = {229},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_229_2_a0/}
}