@article{RCM_1989__23_1-4_181819,
     author = {W. Reyes},
     title = {Nota sobre planos isoclinos},
     journal = {Revista colombiana de matematicas},
     pages = {1--4},
     publisher = {mathdoc},
     volume = {23},
     number = {1-4},
     year = {1989},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RCM_1989__23_1-4_181819/}
}