@article{DCG_1991__6_4_131142, author = {M.E. Houle}, title = {Theorems on the {Existence} of {Separating} {Surfaces.}}, journal = {Discrete & computational geometry}, pages = {49--56}, publisher = {mathdoc}, volume = {6}, number = {4}, year = {1991}, zbl = {0723.52002}, url = {http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131142/} }