@article{IM2_1998_62_3_a8,
     author = {Yu. F. Korobeinik},
     title = {Letter to the {Editors}},
     journal = {Izvestiya. Mathematics },
     pages = {649},
     publisher = {mathdoc},
     volume = {62},
     number = {3},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1998_62_3_a8/}
}