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@article{AMLG_1974__16_137892, author = {B. Scarpellini}, title = {Disjunctive properties of intuitionistic systems.}, journal = {Archiv f\"ur mathematische Logik und Grundlagenforschung}, pages = {147--158}, publisher = {mathdoc}, volume = {16}, year = {1974}, zbl = {0299.02035}, url = {http://geodesic.mathdoc.fr/item/AMLG_1974__16_137892/} }
B. Scarpellini. Disjunctive properties of intuitionistic systems.. Archiv für mathematische Logik und Grundlagenforschung, Tome 16 (1974), pp. 147-158. http://geodesic.mathdoc.fr/item/AMLG_1974__16_137892/