@article{RRACEFN_1988_1988_1_a13,
     author = {S\'anchez Giralda, Tom\'as},
     title = {Exactitud de complejos y sistemas de ecuaciones.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {165-167},
     publisher = {mathdoc},
     volume = {82},
     number = {1},
     year = {1988},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1988_1988_1_a13/}
}