@article{MS2_1957__5_165648, author = {TH. SKOLEM}, title = {Two remarks on set theory}, journal = {Mathematica Scandinavica}, pages = {40--46}, publisher = {mathdoc}, volume = {5}, year = {1957}, zbl = {0079.07606}, url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165648/} }