@article{DAN_1957_115_3_a8,
     author = {P. P. Rybin},
     title = {Convergence of series obtained in solving non-linear integral equations},
     journal = {Doklady Akademii Nauk},
     pages = {458--461},
     publisher = {mathdoc},
     volume = {115},
     number = {3},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_115_3_a8/}
}