@article{AFM_2004_29_2_a4,
     author = {Aline Aigon-Dupuy},
     title = {Half-twists and equations in genus 2},
     journal = {Annales Fennici Mathematici},
     pages = {307--328},
     year = {2004},
     volume = {29},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2004_29_2_a4/}
}