@article{GDZPPN002237601,
title = {Ultrametrics and infinite dimensional whitehead theorems in shape theory.},
journal = {Manuscripta mathematica},
volume = {91},
year = {1996},
pages = {325-334},
zbl = {0855.54022},
url = {http://dml.mathdoc.fr/item/GDZPPN002237601}
}
Morón, M.A.; Ruiz del Portal, F.R. Ultrametrics and infinite dimensional whitehead theorems in shape theory.. Manuscripta mathematica, Tome 91 (1996) pp. 325-334. http://gdmltest.u-ga.fr/item/GDZPPN002237601/