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@article{TM_1967_93_a7, author = {Phan {\DJ}{\`\i}ni Di\^eu}, title = {A~language of constructive mathematics involving systems of sets}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {123--141}, publisher = {mathdoc}, volume = {93}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1967_93_a7/} }
Phan Đìni Diêu. A~language of constructive mathematics involving systems of sets. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Problems of the constructive direction in mathematics. Part 4, Tome 93 (1967), pp. 123-141. http://geodesic.mathdoc.fr/item/TM_1967_93_a7/