%0 Journal Article %A A. N. Varchenko %T A lower bound for the codimension of the $\mu=\operatorname{const}$ stratum in terms of the mixed Hodge structure %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1982 %P 28-31 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1982_6_a5/ %G ru %F VMUMM_1982_6_a5