@article{RCM_1968__2_181566,
     author = {Yu Takeuchi},
     title = {Formula asintotica de la {Funcion} ...},
     journal = {Revista colombiana de matematicas},
     pages = {165--165},
     publisher = {mathdoc},
     volume = {2},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/RCM_1968__2_181566/}
}