@article{ZVMMF_1991_31_2_a4,
     author = {Yu. I. Mokin},
     title = {Filling a~difference scheme matrix for two-dimensional integral equations of potential theory},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {249--260},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1991_31_2_a4/}
}