@article{GDZPPN002066203, title = {The linking number of singular maps.}, journal = {Commentarii mathematici Helvetici}, volume = {61}, year = {1986}, pages = {360-369}, zbl = {0602.57021}, url = {http://dml.mathdoc.fr/item/GDZPPN002066203} }
Szücs, András. The linking number of singular maps.. Commentarii mathematici Helvetici, Tome 61 (1986) pp. 360-369. http://gdmltest.u-ga.fr/item/GDZPPN002066203/