@article{DAN_1962_146_6_a4,
     author = {S. V. Nemchinov},
     title = {Solution by a non-iteration net method of boundary-value problems for partial differential equations with periodic boundary conditions},
     journal = {Doklady Akademii Nauk},
     pages = {1263--1266},
     publisher = {mathdoc},
     volume = {146},
     number = {6},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_146_6_a4/}
}