@book{AST_1993__214__1_0,
     author = {Le Potier, Joseph},
     title = {Syst\`emes coh\'erents et structures de niveau},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {214},
     year = {1993},
     language = {fr},
     url = {http://archive.numdam.org/item/AST_1993__214__1_0/}
}