@article{PMIHES_1969__36__111_0,
     author = {Robin Hartshorne},
     title = {Curves with high self-intersection on algebraic surfaces},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {111--125},
     year = {1969},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {36},
     doi = {10.1007/BF02684600},
     mrnumber = {266924},
     zbl = {0197.17505},
     language = {en},
     url = {https://pmihes.centre-mersenne.org/articles/10.1007/BF02684600/}
}