V.  Brouet, Mansart, J., Perfetti, L., Piovera, C., Vobornik, I., Le Fèvre, P., Bertran, F., Riggs, S. C., Shapiro, M. C., Giraldo-Gallo, P., and Fisher, I. R., ?Transfer of spectral weight across the gap of Sr2IrO4 induced by la doping?, Physical Review B - Condensed Matter and Materials Physics, vol. 92, 2015.