Smoothness of spectral subbundles and reducibility of quasi-periodic linear differential systems

Stability and Asymptotic Behavior of Differential Equations.

F. S. Van Vleck, W. A. Coppel · American Mathematical Monthly · 1968 · 1.4K citations

Natural Sciences, Mathematics, Differential Equations +12

Almost Periodic Functions

Nature · 1933 · 1.2K citations

Natural Sciences, Mathematics, Group Processes +7

Topological Transformation Groups.

Fernando Haas, Dominique Mikell Montgomery, Leo Zippin · American Mathematical Monthly · 1956 · 1.1K citations

Qualitative theory of differential equations

Journal of the Franklin Institute · 1961 · 725 citations

Natural Sciences, Mathematics, Physics +14

A spectral theory for linear differential systems

Robert J. Sacker, George R. Sell · Journal of Differential Equations · 1978 · 497 citations

Natural Sciences, Mathematics, Differential Equations +13