Valderrama Abenza, J. C. “«Agón» and «Polémos». Analytical Polemocentrism and Practical Priority of Friendship in J. Freund’s Political Thought”. Contrastes. Revista Internacional De Filosofía, vol. 22, no. 1, May 2017, doi:10.24310/Contrastescontrastes.v22i1.3419.