@article{CM_1972__24_1_93_0, author = {Martin-L\"of, Per}, title = {Infinite terms and a system of natural deduction}, journal = {Compositio Mathematica}, volume = {25}, year = {1972}, pages = {93-103}, mrnumber = {300860}, zbl = {0237.02006}, language = {en}, url = {http://dml.mathdoc.fr/item/CM_1972__24_1_93_0} }
Martin-Löf, Per. Infinite terms and a system of natural deduction. Compositio Mathematica, Tome 25 (1972) pp. 93-103. http://gdmltest.u-ga.fr/item/CM_1972__24_1_93_0/
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