@article{10_4153_CJM_2009_030_x,
     author = {Graham, Ian and Hamada, Hidetaka and Kohr, Gabriela and Pfaltzgraff, John A.},
     title = {Convex {Subordination} {Chains} in {Several} {Complex} {Variables}},
     journal = {Canadian journal of mathematics},
     pages = {566--582},
     year = {2009},
     volume = {61},
     number = {3},
     doi = {10.4153/CJM-2009-030-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2009-030-x/}
}