@article{IM2_1996_60_6_a7,
     author = {K. K. Shchukin},
     title = {Letter to the editors},
     journal = {Izvestiya. Mathematics},
     pages = {1317},
     year = {1996},
     volume = {60},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1996_60_6_a7/}
}