The Adjusted Spherical Frontier Model with weight restrictions. - Rodrigo Cesar Silva; Armando Zeferino Milioni (Eur. J. Oper. Res., 2012)

Adjusted spherical frontier model: allocating input via parametric DEA. - E. C. C. Guedes; Armando Zeferino Milioni; José Virgílio Guedes de Avellar; Rodrigo Cesar Silva (J. Oper. Res. Soc., 2012)

The general hyperbolic frontier model: establishing fair output levels via parametric DEA. - Rodrigo Cesar Silva; Armando Zeferino Milioni; Joyce Evania Teixeira (J. Oper. Res. Soc., 2018)