@article{1102635838,
author = {von Haeseler, Fritz and Skordev, Gencho},
title = {Borsuk-Ulam theorem, fixed point index and chain approximations for maps with multiplicity.},
journal = {Pacific J. Math.},
volume = {156},
number = {2},
year = {1992},
pages = { 369-396},
language = {en},
url = {http://dml.mathdoc.fr/item/1102635838}
}
von Haeseler, Fritz; Skordev, Gencho. Borsuk-Ulam theorem, fixed point index and chain approximations for maps with multiplicity.. Pacific J. Math., Tome 156 (1992) no. 2, pp. 369-396. http://gdmltest.u-ga.fr/item/1102635838/