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00194450 Preu{\ss}, Wolfgang Kossow, Andreas Mathematik in Beispielen. Band 7: Gew\"ohnliche Differentialgleichungen. Frankfurt am Main etc.: Verlag Harri Deutsch; Leipzig: VEB Fachbuchverlag. 296 S. DM 24.00 (1990). 1990 Frankfurt am Main etc.: Verlag Harri Deutsch; Leipzig: VEB Fachbuchverlag DE solution methods numerical methods Differential-difference equations integro-differential equations examples exercises The aim of this book is to acquaint the students of natural, economic and engineering sciences with basic notions, solution methods and properties of solutions of ordinary differential equations. Adequate attention is paid to numerical methods of solution using personal computers. The contents of this book are determined by these aims: 1. Basic notions. 2. First-order differential equations and systems of differential equations. 3. Differential equations of higher order. 4. Linear systems of ordinary differential equations. 5. Differential-difference equations and integro- differential equations. Moreover, there are added: answers to the exercises, tables, programmes in Basic, list of literature, index. The structure of the chapters as well as of the single sections in the chapters is the following: Definition of the object marked by a fat vertical line on the left margin, examples, methods or problem-solving procedures and summaries (all boxed). On the margins there are also the mean notions as well as the figures concerning the discussed examples and various notes. The authors assume only basic knowledge of calculus. The style of the book is clear, the exposition of the matter is without logical springs. The book contains a lot of examples and exercises. All this makes the book very suitable for autodidactic studies. It is a very good primary introduction to ODE. M.\v{S}vec