@article{ZVMMF_1989_29_11_a2,
     author = {V. A. Korobitsyn},
     title = {Axisymmetric difference operators in an orthogonal coordinate system},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1621--1633},
     year = {1989},
     volume = {29},
     number = {11},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_11_a2/}
}