r-y r2 variedades diferenciables.
Collectanea mathematica, Tome 32 (1981) no. 3
@article{CLTM_1981_1981_1_a11,
author = {Soler, F.},
title = {r-y r2 variedades diferenciables.},
journal = {Collectanea mathematica},
pages = {245-274},
year = {1981},
volume = {32},
number = {3},
zbl = {0519.53039},
language = {es},
url = {http://geodesic.mathdoc.fr/item/CLTM_1981_1981_1_a11/}
}
Soler, F. r-y r2 variedades diferenciables.. Collectanea mathematica, Tome 32 (1981) no. 3. http://geodesic.mathdoc.fr/item/CLTM_1981_1981_1_a11/