@article{GDZPPN002342774, title = {A. A. FRAENKEL: Abstract set theory}, journal = {Mathematica Scandinavica}, volume = {1}, year = {1953}, pages = {313-313}, url = {http://dml.mathdoc.fr/item/GDZPPN002342774} }
SKOLEM, Th. A. A. FRAENKEL: Abstract set theory. Mathematica Scandinavica, Tome 1 (1953) p. 313. http://gdmltest.u-ga.fr/item/GDZPPN002342774/