%0 Journal Article %A V. Srivatsa %T Existence of measurable selectors and parametrizations for $G_δ$-valued multifunctions %J Fundamenta Mathematicae %D 1984 %P 23-32 %V 122 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-122-1-23-32/ %R 10.4064/fm-122-1-23-32 %G en %F 10_4064_fm_122_1_23_32