@misc{10_4153_CMB_1985_057_6,
     title = {A {Cardinal} {Structure} {Theorem} for an {Ultrapower}},
     journal = {Canadian mathematical bulletin},
     pages = {472--473},
     year = {1985},
     volume = {28},
     number = {4},
     doi = {10.4153/CMB-1985-057-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1985-057-6/}
}