@article{IM2_1993_40_1_a1,
     author = {B. V. Karpov},
     title = {Semistable sheaves on a two-dimensional quadric, and {Kronecker} modules},
     journal = {Izvestiya. Mathematics },
     pages = {33--66},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1993_40_1_a1/}
}