@article{BAG_1985__19_138297,
     author = {R\"udiger Achilles},
     title = {On the intersection multiplicity of improper components in algebraic geometry},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {113--130},
     publisher = {mathdoc},
     volume = {19},
     year = {1985},
     zbl = {0631.14002},
     url = {http://geodesic.mathdoc.fr/item/BAG_1985__19_138297/}
}