@article{IM2_1995_44_3_a2,
     author = {S. A. Kuleshov and D. O. Orlov},
     title = {Exceptional sheaves on {del~Pezzo} surfaces},
     journal = {Izvestiya. Mathematics},
     pages = {479--513},
     year = {1995},
     volume = {44},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1995_44_3_a2/}
}