%0 Journal Article %A Borwein, J. M. %A Borwein, P. B. %T Cubic and Higher Order Algorithms for π %J Canadian mathematical bulletin %D 1984 %P 436-443 %V 27 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1984-067-7/ %R 10.4153/CMB-1984-067-7 %F 10_4153_CMB_1984_067_7