@article{10_4171_dm_101,
     author = {Jan Stevens},
     title = {Rolling factors deformations and extensions of canonical curves},
     journal = {Documenta mathematica},
     pages = {185--226},
     year = {2001},
     volume = {6},
     doi = {10.4171/dm/101},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/101/}
}