@article{MAN_1985__272_164030,
     author = {Horst Kn\"orrer and H\'el\`ene Esnault},
     title = {Reflexive {Modules} {Over} {Rational} {Double} {Points.}},
     journal = {Mathematische Annalen},
     pages = {545--548},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0577.14023},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164030/}
}