References
Yi Lin
(1989). A multi-relation approach of general systems and tests of applications. Synthese, 79 (3), 473-488. https://doi.org/10.1007/BF00869283.
(1989). A multi-relation approach of general systems and tests of applications. Synthese, 79 (3), 473-488. https://doi.org/10.1007/BF00869283.