@article{MOMA_1951__55_176848,
     author = {Richard Arens},
     title = {Operations {Induced} in {Function} {Classes.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {55},
     year = {1951},
     zbl = {0042.35601},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1951__55_176848/}
}