@article{10_4153_CMB_2017_058_4,
     author = {B\'en\'eteau, Catherine and Fleeman, Matthew C. and Khavinson, Dmitry S. and Seco, Daniel and Sola, Alan A.},
     title = {Remarks on {Inner} {Functions} and {Optimal} {Approximants}},
     journal = {Canadian mathematical bulletin},
     pages = {704--716},
     year = {2018},
     volume = {61},
     number = {4},
     doi = {10.4153/CMB-2017-058-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2017-058-4/}
}