Il principio di minimo e sue applicazioni alle equazioni funzionali: Lectures given at a Summer School of the Centro Internazionale Matematico Estivo ... (closed)) (English and Italian Edition)

L. Nirenberg: On ellliptic partial differential equations. -S. Agmon: The Lp approach to the Dirichlet problems. -C.B. Morrey, Jr.: Multiple integral problems in the calculus of variations and related topics. -L. Bers: Uniformizzazione e moduli.