@article{ETNA_2006__25__a28,
     author = {Baratchart, L.},
     title = {A remark on uniqueness of best rational approximants of degree 1 in $L^2$ of the circle},
     journal = {Electronic transactions on numerical analysis},
     pages = {54--66},
     publisher = {mathdoc},
     volume = {25},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2006__25__a28/}
}