@article{10_4064_fm_52_2_177_203,
     author = {H. Keisler},
     title = {A complete first-order logic with infinitary predicates},
     journal = {Fundamenta Mathematicae},
     pages = {177--203},
     publisher = {mathdoc},
     volume = {52},
     number = {2},
     year = {1963},
     doi = {10.4064/fm-52-2-177-203},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-52-2-177-203/}
}