%0 Journal Article %A Stylianos Kaisaris %T Transforming the disk model of hyperbolic geometry to the upper half-plane model %J The Teaching of Mathematics %D 2017 %P 74 %V XX %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM2_2017_XX_2_a2/ %G en %F TM2_2017_XX_2_a2