@article{RCM_1983__17_181729,
     author = {Yu Takeuchi},
     title = {Funciones {No-Estandar} {Y} {Teoria} {De} {Distribuciones.}},
     journal = {Revista colombiana de matematicas},
     pages = {117--152},
     publisher = {mathdoc},
     volume = {17},
     year = {1983},
     url = {http://geodesic.mathdoc.fr/item/RCM_1983__17_181729/}
}