A Note on Volterra Equations in a Hilbert Space

Stig-Olof Londen, Olof J. Staffans
1978 Proceedings of the American Mathematical Society  
An existence and uniqueness result is given on the nonlinear Volterra equation when considered in a real Hubert space. The result extends earlier work by Barbu and Londen.
doi:10.2307/2042584 fatcat:xrgm2zmz7fhxvgxredzg2ehcey