@article{2216, author = {Bourgin, D.G.}, title = {Restricted separation of polyedra}, journal = {Portugaliae mathematica}, volume = {11}, year = {1952}, pages = {133-136}, zbl = {0049.10702}, mrnumber = {0051538}, language = {en}, url = {http://dml.mathdoc.fr/item/2216} }
Bourgin, D.G. Restricted separation of polyedra. Portugaliae mathematica, Tome 11 (1952) pp. 133-136. http://gdmltest.u-ga.fr/item/2216/