@article{DAN_1969_187_4_a14,
     author = {Ya. N. Fel'd},
     title = {On the reduction of a certain class of integral equations of the first kind to equations of the second kind},
     journal = {Doklady Akademii Nauk},
     pages = {761--764},
     publisher = {mathdoc},
     volume = {187},
     number = {4},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a14/}
}