1. Nonlinear Semigroups and Differential Equations in Banach Spaces;Barbu,1976
2. Nonlinear Differential Equations of Monotone Types in Banach Spaces;Barbu,2010
3. Optimal Control of Variational Inequalities;Barbu,1984
4. Parabolic variational inequalities with singular inputs;Barbu;Differential Integral Equations,1997
5. Existence of solutions to the nonconvex sweeping process;Benabdellah;J. Differential Equations,2000