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@article{AMLG_1974__16_137895, author = {N. Georgieva}, title = {An extension of the {Kreisel-Putman} system.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {187--190}, publisher = {mathdoc}, volume = {16}, year = {1974}, zbl = {0289.02014}, url = {http://geodesic.mathdoc.fr/item/AMLG_1974__16_137895/} }
N. Georgieva. An extension of the Kreisel-Putman system.. Archiv für mathematische Logik und Grundlagenforschung, Tome 16 (1974), pp. 187-190. http://geodesic.mathdoc.fr/item/AMLG_1974__16_137895/