%0 Journal Article %A Burger, Edward B. %T On Newton's Method and Rational Approximations to Quadratic Irrationals %J Canadian mathematical bulletin %D 2004 %P 12-16 %V 47 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2004-002-4/ %R 10.4153/CMB-2004-002-4 %F 10_4153_CMB_2004_002_4