Lectures on Summability (Lecture Notes in Mathematics, 107)
Almost Periodic Differential Equations (Lecture Notes in Mathematics, 377)
Local Theory of Nonlinear Analytic Ordinary Differential Equations (Lecture Notes in Mathematics, 702)
Disconjugacy (Lecture Notes in Mathematics, 220)
Recurrences and Discrete Dynamic Systems (Lecture Notes in Mathematics, 809)
Absolute Summability of Fourier Series and Orthogonal Series (Lecture Notes in Mathematics, 1067)
Bessel Polynomials (Lecture Notes in Mathematics, 698)
Introduction to Lie Groups and Transformation Groups (Lecture Notes in Mathematics, 7)
Maximum Probability Estimators and Related Topics (Lecture Notes in Mathematics, 424)
Stability of Unfoldings (Lecture Notes in Mathematics, 393)