@article{GT_2005_9_2_a6,
     author = {Myers, Robert},
     title = {End reductions, fundamental groups, and covering spaces of irreducible open 3{\textendash}manifolds},
     journal = {Geometry & topology},
     pages = {971--990},
     publisher = {mathdoc},
     volume = {9},
     number = {2},
     year = {2005},
     doi = {10.2140/gt.2005.9.971},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2005.9.971/}
}