@article{10_4064_fm_49_2_205_232,
     author = {Andrzej Mostowski},
     title = {A generalization of the incompleteness theorem},
     journal = {Fundamenta Mathematicae},
     pages = {205--232},
     year = {1960},
     volume = {49},
     number = {2},
     doi = {10.4064/fm-49-2-205-232},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-49-2-205-232/}
}