@article{MS2_1953__1_165511,
     author = {Th. SKOLEM},
     title = {A. {A.} {FRAENKEL:} {Abstract} set theory},
     journal = {Mathematica Scandinavica},
     pages = {313--313},
     publisher = {mathdoc},
     volume = {1},
     year = {1953},
     url = {http://geodesic.mathdoc.fr/item/MS2_1953__1_165511/}
}