Journal of the London Mathematical Society · 1951 · 26 citations · 0 references
Natural SciencesMathematicsPhysicsDifferential EquationsDynamical SystemsMathematical PhysicsChaos TheoryContinuous Dynamical SystemsInitial Value ProblemsNonlinear DynamicsPartial Differential EquationsSystems Of Differential EquationsAlmost Periodic SolutionsAperiodic TrajectoriesLinear Partial Differential EquationsPeriodic Solutions Of Differential EquationsRegularity Theory