1. The boundedness of solutions of linear differential equations y″ + A(t)y = 0;Liang;Shuxue Jinzhan,1957
2. Differential Equations;Barbu,1985
3. Opérateure maximaux monotones et sémigroupes de contractions dans les éspaces de Hilbert;Brezis,1973
4. The Gronwall type lemmas and applications;Dragomir;Monografii Matematice, Univ. Timisoara,1987
5. Nonlinear evolution equations: Global behavior of solutions;Haraux,1981