%0 Journal Article %A A. V. Yakovlev %T Galois theory for sheaves of sets %J Informatics and Automation %D 1978 %P 253-268 %V 148 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1978_148_a24/ %G ru %F TRSPY_1978_148_a24