@article{10_4153_CJM_2011_006_7,
     author = {Baragar, Arthur},
     title = {The {Ample} {Cone} for a {K3} {Surface}},
     journal = {Canadian journal of mathematics},
     pages = {481--499},
     year = {2011},
     volume = {63},
     number = {3},
     doi = {10.4153/CJM-2011-006-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2011-006-7/}
}