@article{MAN_1970__186_161971,
     author = {H. Nakano},
     title = {An {Axiomatic} {Set} {Theory.}},
     journal = {Mathematische Annalen},
     pages = {53--64},
     publisher = {mathdoc},
     volume = {186},
     year = {1970},
     zbl = {0195.01601},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__186_161971/}
}