@article{RCM_2015_49_2_a6,
     author = {Yoe Alexander Herrera Jaramillo},
     title = {Intersection numbers of geodesic arcs},
     journal = {Revista colombiana de matematicas},
     pages = {307--320},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {2015},
     url = {http://geodesic.mathdoc.fr/item/RCM_2015_49_2_a6/}
}