@article{DAN_1958_122_2_a2,
     author = {I. I. Danilyuk},
     title = {The use of {Fredholm's} system of equations in investigating a problem involving a $kew derivative},
     journal = {Doklady Akademii Nauk},
     pages = {175--178},
     publisher = {mathdoc},
     volume = {122},
     number = {2},
     year = {1958},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_2_a2/}
}