Fuensanta, A., Noureddine, I., José M., M., & Julián, T. (2009). Degenerate Elliptic Equations with Nonlinear Boundary Conditions and Measures Data . ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, 8(4), 767-803. https://doi.org/10.2422/2036-2145.2009.4.06