Abdounur, Oscar João Department Structural Changes in Systems of Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
Abdounur, O. J. (2017). Theories of Ratio in Competition in Theoretical Music in the Late Middle Ages. In A. R., Baswell (Ed.), Advances in Mathematics Research. Vol. 24 (pp. 33-43). New York, NY: Nova Science Publishers.
