@article{01271198, title = {Singularities, double points, controlled topology and chain duality.}, journal = {Documenta Mathematica}, volume = {4}, year = {1999}, pages = {1-59}, zbl = {0917.57018}, language = {en}, url = {http://dml.mathdoc.fr/item/01271198} }
Ranicki, Andrew. Singularities, double points, controlled topology and chain duality.. Documenta Mathematica, Tome 4 (1999) pp. 1-59. http://gdmltest.u-ga.fr/item/01271198/