@article{PMIHES_1969__36__111_0,
     author = {Hartshorne, Robin},
     title = {Curves with high self-intersection on algebraic surfaces},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {111--125},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {36},
     year = {1969},
     mrnumber = {266924},
     zbl = {0197.17505},
     language = {en},
     url = {http://www.numdam.org/item/PMIHES_1969__36__111_0/}
}