@article{10_1017_S0017089599000038,
     author = {Hornor, William E. and Jamison, James E.},
     title = {Isometrically equivalent composition operators on spaces of analytic vector-valued functions},
     journal = {Glasgow mathematical journal},
     pages = {441--451},
     year = {1999},
     volume = {41},
     number = {3},
     doi = {10.1017/S0017089599000038},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089599000038/}
}