GuzmanCabrera, R., Guía-Calderón, M., Rosales-García, J. J., González-Parada, A. and Álvarez-Jaime, J. A. (2015) “The differential and integral fractional calculus and its applications”, Acta Universitaria, 25(2), pp. 20–27. doi: 10.15174/au.2015.688.