@article{IM2_1988_31_2_a8,
     author = {S. V. Matveev},
     title = {Transformations of special spines and the {Zeeman} conjecture},
     journal = {Izvestiya. Mathematics },
     pages = {423--434},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {1988},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1988_31_2_a8/}
}