@article{CLTM_1988_1988_1_a0,
     author = {Planells Gilabert, Mar{\'\i}a Jes\'us},
     title = {Una nota sobre los espacios de {Sobolev.}},
     journal = {Collectanea mathematica},
     pages = {1-7},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1988},
     zbl = {0726.46018},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1988_1988_1_a0/}
}