1. Characterization of strong exponential dichotomies
2. On Barreira-Valls polynomial stability of evolution operators in Banach spaces
3. Polynomial stability of evolution operators in Banach spaces
4. M. Megan, T. Ceauşu, M. L. Rămneanţu, On Nonuniform Polynomial Stability for Evolution Operators on the Half-line, Theory and Applications of Mathematics and Computer Science 4(2) (2014), 202–210.
5. M. Megan, A. L. Sasu, B. Sasu, The Asymptotic Behavior of Evolution Families, Mirton Publishing House, 2003.