%0 Journal Article %A Ronald Brown %A George Janelidze %A George Peschke %T Van Kampen's theorem for locally sectionable maps %J Theory and applications of categories %D 2021 %P 48-64 %V 36 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAC_2021_36_a1/ %G en %F TAC_2021_36_a1