Reconstruction of a kinetic k-essence Lagrangian from a modified of dark energy equation of state Víctor H. Cárdenas, Norman Cruz, Sebastian Muñoz and J. R. Villanueva Eur. Phys. J. C, 78 7 (2018) 591 Published online: 21 July 2018 DOI: 10.1140/epjc/s10052-018-6066-8