Multi-valued operators and boundary value problems.- Functional differential equations.- The fourier integral and the expansion problem for ordinary differential operators.- Small solutions of a high frequency linear oscillator.- A geometric approach to boundary value problems for nonlinear ordinary differential equations with a small parameter.- Characteristic multipliers and the riccati equation.- Analytic theory of difference equations.- Bounded solutions and stable domains of nonlinear ordinary differential equations.- A boundary value problem in the complex plane.- Stokes multipliers for the equation {ie145-1}.- The central connection problem at turning points of linear differential equations.- On certain solutions of algebraic differential equations.- Uniform asymptotic splitting of linear differential equations.- Functional analysis