- Libro electrónicoTheory of Differential EquationsI. M. Gel'fand
- Libro electrónicoIntegral, Measure and DerivativeG. E. Shilov
- Libro electrónicoProperties and OperationsI. M. Gel'fand
- Libro electrónicoSpaces of Fundamental and Generalized FunctionsI. M. Gel'Fand
- Libro electrónicoSeries: Dover Books on MathematicsRobert Gilmore