@article{MM_2019_31_6_a3,
     author = {A. V. Shilkov},
     title = {On the solution of second-order linear elliptic equations},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {55--81},
     publisher = {mathdoc},
     volume = {31},
     number = {6},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2019_31_6_a3/}
}