@article{10_4153_CJM_2010_066_5,
     author = {Alzati, Alberto and Besana, Gian Mario},
     title = {Criteria for {Very} {Ampleness} of {Rank} {Two} {Vector} {Bundles} over {Ruled} {Surfaces}},
     journal = {Canadian journal of mathematics},
     pages = {1201--1227},
     year = {2010},
     volume = {62},
     number = {6},
     doi = {10.4153/CJM-2010-066-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-066-5/}
}