@article{ELA_1999-2000__6__a3,
     author = {Alpay, Daniel and Bolotnikov, Vladimir},
     title = {On two-sided interpolation for upper triangular matrices},
     journal = {The electronic journal of linear algebra},
     pages = {31--55},
     publisher = {mathdoc},
     volume = {6},
     year = {1999-2000},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_1999-2000__6__a3/}
}