@article{RM_1999_54_6_a17,
     author = {O. V. Schwarzman},
     title = {Free $G$-sheaves on closed {Riemann} surfaces},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1263--1264},
     year = {1999},
     volume = {54},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_6_a17/}
}