Liouville–Green–Olver Approximations for Complex Difference EquationsRenato Spigler; Marco Vianello; Francesca Locatelli · 1999

Finite Moments Perturbations of y" = 0 in Banach AlgebrasRenato Spigler and Marco Vianello · Proceedings of the American Mathematical Society · 1993

On the Complex Differential Equation Y″+G(z)Y=0 in Banach AlgebrasRenato Spigler; Marco Vianello · 1999

The “phase function” method to solve second-order asymptotically polynomial differential equationsRenato Spigler, Marco Vianello · 2012

Asymptotic approximations for second-order linear difference equations in Banach algebras, ITania Soldà; Renato Spigler; Marco Vianello · 2008

Asymptotic approximations for second-order linear difference equations in Banach algebras, IITania Soldà; Renato Spigler; Marco Vianello · 2008

WKB-Type Approximations for Second-Order Differential Equations in C*-AlgebrasRenato Spigler and Marco Vianello · Proceedings of the American Mathematical Society · 1996

Cordial Volterra Integral Equations 1Vainikko, Gennadi · Numerical Functional Analysis and Optimization · 2009

Controllability of nonlinear systemsJoshi, Mohan C.; George, Raju K. · Numerical Functional Analysis and Optimization · 1989

Optimization for integral functionalsLai, Hang–Chin · Numerical Functional Analysis and Optimization · 1989

<i>q</i> -Frames and Bessel FunctionsJorgensen, P. E. T.; Paolucci, A. M. · Numerical Functional Analysis and Optimization · 2012

Generalized inverses and generalized splinesGroetsch, C. W. · Numerical Functional Analysis and Optimization · 1980

Duality algorithms for nonconvex variational principlesAuchmuty, Giles · Numerical Functional Analysis and Optimization · 1989

Well-posed hemivariational inequalitiesGoeleven, D.; Mentagui, D. · Numerical Functional Analysis and Optimization · 1995

Spectral approximation in L(H)Khalil, Roshdi; Maher, Philip · Numerical Functional Analysis and Optimization · 2000