@article{MM_1991_3_9_a10,
     author = {E. Yu. Dnestrovskaya and N. N. Kalitkin and I. V. Ritus},
     title = {Solving of partial differential equations by schemes with complex coefficients},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {114--127},
     publisher = {mathdoc},
     volume = {3},
     number = {9},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1991_3_9_a10/}
}