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@article{TRSPY_1964_72_a13, author = {A. O. Slisenko}, title = {Example of a~non-discontinous but not continuous constructive operator in a~metric space}, journal = {Informatics and Automation}, pages = {524--532}, publisher = {mathdoc}, volume = {72}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1964_72_a13/} }
A. O. Slisenko. Example of a~non-discontinous but not continuous constructive operator in a~metric space. Informatics and Automation, Problems of the constructive direction in mathematics. Part 3, Tome 72 (1964), pp. 524-532. http://geodesic.mathdoc.fr/item/TRSPY_1964_72_a13/