@misc{IM2_2007_71_1_a0,
     title = {Anatolii {Alekseevich} {Karatsuba} (congratulation)},
     journal = {Izvestiya. Mathematics },
     pages = {1},
     publisher = {mathdoc},
     volume = {71},
     number = {1},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2007_71_1_a0/}
}