@article{CMH_1961__36_139230,
     author = {D.B.A. Epstein},
     title = {Factorization of 3-manifolds.},
     journal = {Commentarii mathematici Helvetici},
     pages = {91--102},
     publisher = {mathdoc},
     volume = {36},
     year = {1961},
     zbl = {0102.38704},
     url = {http://geodesic.mathdoc.fr/item/CMH_1961__36_139230/}
}