@article{AMLG_1978__19_137944,
     author = {Bonnie Gold},
     title = {Compact and ...-compact formulas in {L...,} ...},
     journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung},
     pages = {51--64},
     publisher = {mathdoc},
     volume = {19},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AMLG_1978__19_137944/}
}