@article{RCM_2017_51_2_a5,
     author = {Jean C. Cortissoz},
     title = { Alexander {Murcia,}},
     journal = {Revista colombiana de matematicas},
     pages = {241--257},
     publisher = {mathdoc},
     volume = {51},
     number = {2},
     year = {2017},
     url = {http://geodesic.mathdoc.fr/item/RCM_2017_51_2_a5/}
}