@article{DAN_1978_239_4_a15,
     author = {V. N. Koshparenok and V. P. Shestopalov},
     title = {Partial inversion of the operator for summator functional equations with the kernel in the form of periodic {Mathieu} functions},
     journal = {Doklady Akademii Nauk},
     pages = {811--814},
     publisher = {mathdoc},
     volume = {239},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1978_239_4_a15/}
}