@article{MAN_1995__303_4_165360,
     author = {Roberto Paoletti},
     title = {Free pencils on divisors.},
     journal = {Mathematische Annalen},
     pages = {109--124},
     publisher = {mathdoc},
     volume = {303},
     number = {4},
     year = {1995},
     zbl = {0835.14005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1995__303_4_165360/}
}