@article{10_4064_cm128_1_7,
     author = {Arthur W. Apter},
     title = {More {Easton} theorems for level by level equivalence},
     journal = {Colloquium Mathematicum},
     pages = {69--86},
     publisher = {mathdoc},
     volume = {128},
     number = {1},
     year = {2012},
     doi = {10.4064/cm128-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm128-1-7/}
}