@article{DAN_1962_144_4_a15,
     author = {I. P. Nedyalkov},
     title = {Reduction of solutions of elliptic differential equations},
     journal = {Doklady Akademii Nauk},
     pages = {751--754},
     publisher = {mathdoc},
     volume = {144},
     number = {4},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_144_4_a15/}
}