%0 Journal Article %A Jens Peter Reus Christensen %T Borel Structures and a Topological Zero-One Law. %J Mathematica Scandinavica %D 1971 %P 245-255 %V 29 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1971__29_166209/ %F MS2_1971__29_166209