Mathematical Analysis

This volume contains three articles: "Asymptotic methods in the theory of ordinary differential equations" b''y V. F. Butuzov, A. B. Vasil''eva, and M. V. Fedoryuk, "The theory of best ap­ proximation in Dormed linear spaces" by A. L. Garkavi, and "Dy­ namical systems with invariant measure" by A. ''VI. Vershik and S. A. Yuzvinskii. The first article surveys the literature on linear and non­ linea...