Favini A, Labbas R, Lemrabet K, Sadallah B-k. Study of a Complete Abstract Differential Equation of Elliptic Type with Variable Operator Coefficients, I. Rev. mat. complut. [Internet]. 15 de abril de 2008 [citado 22 de noviembre de 2024];21(1):89-133. Disponible en: https://doi.org/10.5209/rev_REMA.2008.v21.n1.16438