1. Continuous dependence on parameters: on the best possible results;Artstein;J. diff. Eqns,1975
2. Continuous perturbations of nonlinear m-accretive operators in Banach spaces;Barbu;Boll. Un. mat. Ital.,1972
3. Nonlinear Semigroups and Differential Equations in Banach Spaces;Barbu,1976
4. Asymptotic Analysis for Periodic Structures;Bensoussan,1978
5. Remarks on the Euler equation;Bourguignon;J. funct. Analysis,1974