@article{RMH_1979_1979_1_a5,
     author = {Lafuente L\'opez, Julio},
     title = {Los ret{\'\i}culos de las clases de {Schunck} normales y de las clases derivadas.},
     journal = {Revista matem\'atica hispano-americana},
     pages = {70-86},
     publisher = {mathdoc},
     volume = {39},
     number = {2-3},
     year = {1979},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RMH_1979_1979_1_a5/}
}