@article{DOCMA_1998__S8__a36,
     author = {Ohtsuki, Tomotada},
     title = {A filtration of the set of integral homological 3-spheres},
     journal = {Documenta mathematica},
     pages = {473--482},
     publisher = {mathdoc},
     volume = {ICM Berlin 1998, Vol. II},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_1998__S8__a36/}
}