@article{FPM_1996_2_3_a11,
     author = {V. I. Kopeiko},
     title = {Letter to the editors},
     journal = {Fundamentalʹna\^a i prikladna\^a matematika},
     pages = {953},
     year = {1996},
     volume = {2},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FPM_1996_2_3_a11/}
}