@misc{IM2_2007_71_3_a0,
     title = {Congratulations to {Vladimir} {Igorevich} {Arnol'd}},
     journal = {Izvestiya. Mathematics },
     pages = {439},
     publisher = {mathdoc},
     volume = {71},
     number = {3},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2007_71_3_a0/}
}