@article{MAN_1970__189_162088,
     author = {A. ABIAN},
     title = {Some {Special} {Properties} of {Cofinality} of {Ordinal} {Numbers.}},
     journal = {Mathematische Annalen},
     pages = {325--329},
     publisher = {mathdoc},
     volume = {189},
     year = {1970},
     zbl = {0193.30802},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__189_162088/}
}