@article{ZNSL_1987_162_a3,
     author = {V. G. Drinfeld},
     title = {Cohomology of compactified moduli varieties of $F$-sheaves of rank 2},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {107--158},
     publisher = {mathdoc},
     volume = {162},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1987_162_a3/}
}