%0 Journal Article %A I. Moerdijk %A Ngo van QuĂȘ %A G. Reyes %T Forcing smooth square roots and integration %J Fundamenta Mathematicae %D 1987 %P 145-158 %V 128 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-128-3-145-158/ %R 10.4064/fm-128-3-145-158 %G en %F 10_4064_fm_128_3_145_158