@article{10_4064_cm_13_2_209_210, author = {E. S. Thomas}, title = {A stronger bridge theorem}, journal = {Colloquium Mathematicum}, pages = {209--210}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {1964}, doi = {10.4064/cm-13-2-209-210}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-13-2-209-210/} }