@article{RRACEFN_1986_1986_1_a12, author = {Blasco, Jos\'e L.}, title = {Una cuesti\'on sobre {Z-Sumergibilidad.}}, journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales }, pages = {117-119}, publisher = {mathdoc}, volume = {80}, number = {1-2}, year = {1986}, language = {es}, url = {http://geodesic.mathdoc.fr/item/RRACEFN_1986_1986_1_a12/} }