Sobolev Spaces and the Variational Formulation of Boundary Value Problems in One Dimension

Brezis, H. (2011). Sobolev Spaces and the Variational Formulation of Boundary Value Problems in One Dimension. In Functional Analysis, Sobolev Spaces and Partial Differential Equations (pp. 201–261). Springer New York. https://doi.org/10.1007/978-0-387-70914-7_8