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@article{MAN_1980__248_163371, author = {F.-H. Vasilescu}, title = {The {Stability} of the {Euler} {Characteristic} for {Hilbert} {Complexes.}}, journal = {Mathematische Annalen}, pages = {109--116}, publisher = {mathdoc}, volume = {248}, year = {1980}, zbl = {0415.47008}, url = {http://geodesic.mathdoc.fr/item/MAN_1980__248_163371/} }
F.-H. Vasilescu. The Stability of the Euler Characteristic for Hilbert Complexes.. Mathematische Annalen, Tome 248 (1980), pp. 109-116. http://geodesic.mathdoc.fr/item/MAN_1980__248_163371/