@article{GDZPPN002225875,
title = {Coincidence index for fiber-preserving maps an approach to stable cohomotopy.},
journal = {Manuscripta mathematica},
volume = {46},
year = {1984},
pages = {233-250},
zbl = {0551.55002},
url = {http://dml.mathdoc.fr/item/GDZPPN002225875}
}
Prieto, Carlos. Coincidence index for fiber-preserving maps an approach to stable cohomotopy.. Manuscripta mathematica, Tome 46 (1984) pp. 233-250. http://gdmltest.u-ga.fr/item/GDZPPN002225875/