@article{SM_1993_76_2_a10,
     author = {H. Stahl},
     title = {Best uniform rational approximation of~$|x|$ on~$[-1,1]$},
     journal = {Sbornik. Mathematics},
     pages = {461--487},
     publisher = {mathdoc},
     volume = {76},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1993_76_2_a10/}
}