@article{MAN_1985__273_164076,
     author = {Luchezar L. Avramov and Annetta G. Aramova},
     title = {Singularities of {Quotients} by {Vector} {Fields} in {Characteristic} p.},
     journal = {Mathematische Annalen},
     pages = {629--646},
     publisher = {mathdoc},
     volume = {273},
     year = {1985},
     zbl = {0566.14001},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__273_164076/}
}