@article{SM_1984_49_1_a17,
     author = {V. A. Galaktionov and A. A. Samarskii},
     title = {Letter to the {Editor}},
     journal = {Sbornik. Mathematics},
     pages = {283},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1984_49_1_a17/}
}