%0 Journal Article %A R. Seymour %T Kan fibrations in the category of simplicial spaces %J Fundamenta Mathematicae %D 1980 %P 141-152 %V 106 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-106-2-141-152/ %R 10.4064/fm-106-2-141-152 %G en %F 10_4064_fm_106_2_141_152