@article{IM2_1990_34_2_a7,
     author = {S. A. Kuleshov},
     title = {An existence theorem for exceptional bundles on $\mathrm K3$ surfaces},
     journal = {Izvestiya. Mathematics },
     pages = {373--388},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1990_34_2_a7/}
}