@article{AMLG_1971__14_137858,
     author = {Pavel Tichy},
     title = {Synthetic compontents of infinite classes of postulates.},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {167--178},
     publisher = {mathdoc},
     volume = {14},
     year = {1971},
     zbl = {0248.02057},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1971__14_137858/}
}