@article{GDZPPN002220792,
title = {The Product Formula for the Topological Degree of Strict ...-Contractions.},
journal = {Manuscripta mathematica},
volume = {22},
year = {1977},
pages = {113-124},
zbl = {0366.47030},
url = {http://dml.mathdoc.fr/item/GDZPPN002220792}
}
Mönch, H.; Harten, G.-F. v. The Product Formula for the Topological Degree of Strict ...-Contractions.. Manuscripta mathematica, Tome 22 (1977) pp. 113-124. http://gdmltest.u-ga.fr/item/GDZPPN002220792/