@misc{RM_1987_42_4_a11,
     title = {Vladimir {Igorevich} {Arnol'd} (on~his fiftieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {161},
     publisher = {mathdoc},
     volume = {42},
     number = {4},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1987_42_4_a11/}
}