@article{MAN_1987__277_164256,
     author = {Fernando Serrano},
     title = {Extension of {Morphisms} {Defined} on a {Divisor.}},
     journal = {Mathematische Annalen},
     pages = {395--414},
     publisher = {mathdoc},
     volume = {277},
     year = {1987},
     zbl = {0595.14005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1987__277_164256/}
}