%0 Journal Article %A P. A. Griffiths %T Report on the variation of Hodge structure (Survey of main results and discussion of open problems and hypotheses) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1970 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1970_25_3_a13/ %G ru %F RM_1970_25_3_a13