@article{GDZPPN002298317,
title = {The Intersection Multiplicity of a Connected Component},
journal = {Mathematische Annalen},
volume = {174},
year = {1967},
pages = {238-246},
zbl = {0148.41704},
url = {http://dml.mathdoc.fr/item/GDZPPN002298317}
}
Boer, J.H. de. The Intersection Multiplicity of a Connected Component. Mathematische Annalen, Tome 174 (1967) pp. 238-246. http://gdmltest.u-ga.fr/item/GDZPPN002298317/