@article{10_4153_CJM_1999_043_5,
     author = {Fisher, Stephen D. and Khavinson, Dmitry},
     title = {Extreme {Pick-Nevanlinna} {Interpolants}},
     journal = {Canadian journal of mathematics},
     pages = {977--995},
     year = {1999},
     volume = {51},
     number = {5},
     doi = {10.4153/CJM-1999-043-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-043-5/}
}