@article{SM_1993_74_2_a0,
     author = {R. S. Varga and A. Ruttan and A. J. Carpenter},
     title = {Numerical results on best uniform rational approximation of~$|x|$ on~$[-1,1]$},
     journal = {Sbornik. Mathematics},
     pages = {271--290},
     publisher = {mathdoc},
     volume = {74},
     number = {2},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1993_74_2_a0/}
}