@article{DE_1975_11_3_a16,
     author = {A. G. Ramm},
     title = {The approximate analytic solution of certain integral equations of the first kind},
     journal = {Differencialʹnye uravneni\^a},
     pages = {572--576},
     publisher = {mathdoc},
     volume = {11},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1975_11_3_a16/}
}