@article{01184325, title = {A filtration of the set of integral homological 3-spheres.}, journal = {Documenta Mathematica}, year = {1998}, pages = {473-482}, zbl = {0907.57012}, language = {en}, url = {http://dml.mathdoc.fr/item/01184325} }
Ohtsuki, Tomotada. A filtration of the set of integral homological 3-spheres.. Documenta Mathematica, (1998), pp. 473-482. http://gdmltest.u-ga.fr/item/01184325/