%0 Journal Article %A Neumann, Walter D %A Swarup, Gadde A %T Canonical decompositions of 3–manifolds %J Geometry & topology %D 1997 %P 21-40 %V 1 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.2140/gt.1997.1.21/ %R 10.2140/gt.1997.1.21 %F GT_1997_1_1_a2