@article{GDZPPN002087650, title = {Non-Additivity of the Signature.}, journal = {Inventiones mathematicae}, volume = {9}, year = {1969}, pages = {269-274}, zbl = {0176.21501}, url = {http://dml.mathdoc.fr/item/GDZPPN002087650} }
WALL, C.T.C. Non-Additivity of the Signature.. Inventiones mathematicae, Tome 9 (1969) pp. 269-274. http://gdmltest.u-ga.fr/item/GDZPPN002087650/