@article{10_4064_ap_47_2_155_178,
     author = {T. Winiarski},
     title = {Continuity of total number of intersection},
     journal = {Annales Polonici Mathematici},
     pages = {155--178},
     publisher = {mathdoc},
     volume = {47},
     number = {2},
     year = {1986},
     doi = {10.4064/ap-47-2-155-178},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-47-2-155-178/}
}