@article{DAN_1960_133_4_a3,
     author = {L. S. Rakovshchik},
     title = {Integral equations with almost difference kernels},
     journal = {Doklady Akademii Nauk},
     pages = {752--755},
     publisher = {mathdoc},
     volume = {133},
     number = {4},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_4_a3/}
}