@article{RCM_1974__8_181614,
     author = {Alberto Schotborgh},
     title = {Henry {Yerly}},
     journal = {Revista colombiana de matematicas},
     pages = {36--38},
     publisher = {mathdoc},
     volume = {8},
     year = {1974},
     url = {http://geodesic.mathdoc.fr/item/RCM_1974__8_181614/}
}