@article{2189,
author = {Ma, L.},
title = {On relations between homology and homotopy groups},
journal = {Portugaliae mathematica},
volume = {8},
year = {1949},
pages = {107-135},
zbl = {0038.36503},
mrnumber = {0038659},
language = {en},
url = {http://dml.mathdoc.fr/item/2189}
}
Ma, L. On relations between homology and homotopy groups. Portugaliae mathematica, Tome 8 (1949) pp. 107-135. http://gdmltest.u-ga.fr/item/2189/