@article{DAN_1963_153_5_a1,
     author = {S. Kaniev},
     title = {On the derivation from their boundary values of functions which are biharmonic in the circle},
     journal = {Doklady Akademii Nauk},
     pages = {995--998},
     publisher = {mathdoc},
     volume = {153},
     number = {5},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_153_5_a1/}
}