@article{10_1090_S0894_0347_99_00291_X,
     author = {Agler, J. and Young, N.},
     title = {A converse to a theorem of {Adamyan,} {Arov} and {Krein}},
     journal = {Journal of the American Mathematical Society},
     pages = {305--333},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1999},
     doi = {10.1090/S0894-0347-99-00291-X},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-99-00291-X/}
}