@article{AA_1999_11_5_a11,
     author = {T. Ekholm},
     title = {Self-intersection surfaces, regular homotopy, and finite order invariants},
     journal = {Algebra i analiz},
     pages = {250--272},
     year = {1999},
     volume = {11},
     number = {5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_1999_11_5_a11/}
}