@article{GDZPPN002064960,
title = {Class numbers and periodic smooth maps.},
journal = {Commentarii mathematici Helvetici},
volume = {58},
year = {1983},
pages = {167-185},
zbl = {0528.57032},
url = {http://dml.mathdoc.fr/item/GDZPPN002064960}
}
Cappell, Sylvain E.; Shaneson, Julius L. Class numbers and periodic smooth maps.. Commentarii mathematici Helvetici, Tome 58 (1983) pp. 167-185. http://gdmltest.u-ga.fr/item/GDZPPN002064960/