%0 Journal Article %A A. N. Tyurin %T Symplectic structures on the varieties of moduli of vector bundles on algebraic surfaces with~$p_g>0$ %J Izvestiya. Mathematics %D 1989 %P 139-177 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a6/ %G en %F IM2_1989_33_1_a6