@article{COMA_2016__56_1_292464, author = {Pawe{\l} Foralewski and Karol Le\'snik and Lech Maligranda}, title = {Some remarks on level functions and their applications}, journal = {Commentationes Mathematicae}, publisher = {mathdoc}, volume = {56}, number = {1}, year = {2016}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/COMA_2016__56_1_292464/} }