@article{EXMATH_1987_1987_1_a5,
     author = {Gatica, Gabriel N.},
     title = {Una extensi\'on sobre el an\'alisis de errores a posteriori para el m\'etodo de elementos finitos},
     journal = {Extracta mathematicae},
     pages = {17-19},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1987},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1987_1987_1_a5/}
}