@article{1102635270, author = {Greenberg, Peter}, title = {The Euler class for ``piecewise'' groups.}, journal = {Pacific J. Math.}, volume = {156}, number = {2}, year = {1992}, pages = { 283-293}, language = {en}, url = {http://dml.mathdoc.fr/item/1102635270} }
Greenberg, Peter. The Euler class for ``piecewise'' groups.. Pacific J. Math., Tome 156 (1992) no. 2, pp. 283-293. http://gdmltest.u-ga.fr/item/1102635270/