@article{GDZPPN002318792, title = {The Stability of the Euler Characteristic for Hilbert Complexes.}, journal = {Mathematische Annalen}, volume = {250}, year = {1980}, pages = {109-116}, zbl = {0415.47008}, url = {http://dml.mathdoc.fr/item/GDZPPN002318792} }
Vasilescu, F.-H. The Stability of the Euler Characteristic for Hilbert Complexes.. Mathematische Annalen, Tome 250 (1980) pp. 109-116. http://gdmltest.u-ga.fr/item/GDZPPN002318792/