@article{MZ_1991__206_1_174235,
     author = {Kennth A. Brwon},
     title = {The {Artin} algebras associated with differential operators on singular affine curves.},
     journal = {Mathematische Zeitschrift},
     pages = {423--442},
     publisher = {mathdoc},
     volume = {206},
     number = {1},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__206_1_174235/}
}