@article{IM2_1989_33_1_a6,
     author = {A. N. Tyurin},
     title = {Symplectic structures on the varieties of moduli of vector bundles on algebraic surfaces with~$p_g>0$},
     journal = {Izvestiya. Mathematics },
     pages = {139--177},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a6/}
}