@article{10_4064_cm_39_1_55_64, author = {Andrzej Derdzi\'nski}, title = {Certain connections between time functions and compact spacelike submanifolds}, journal = {Colloquium Mathematicum}, pages = {55--64}, publisher = {mathdoc}, volume = {39}, number = {1}, year = {1978}, doi = {10.4064/cm-39-1-55-64}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-39-1-55-64/} }