Nicolas Brisebarre Guillaume Hanrot Floating-point L<sup>2</sup>-approximations to functions. 177-186 2007 conf/arith/2007 IEEE Symposium on Computer Arithmetic http://doi.ieeecomputersociety.org/10.1109/ARITH.2007.38 db/conf/arith/arith2007.html#BrisebarreH07