@article{DAN_1980_252_1_a11,
     author = {S. E. Romanova},
     title = {An economical method of solving the {Laplace} difference equation on rectangular domains},
     journal = {Doklady Akademii Nauk},
     pages = {48--51},
     publisher = {mathdoc},
     volume = {252},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_252_1_a11/}
}