The book "Lectures on the theory of functions of a complex variable", written by a team of authors - Sidorov Yu. In. , Fedoryuk M. In. and Shabunin M. and . , is an important work in the field of mathematical analysis that will be of interest to both students and teachers, as well as to anyone who seeks to deepen their knowledge in this fascinating and complex discipline. In this book, the authors offer readers a systematic and accessible approach to the study of the theory of functions of a complex variable, which is one of the fundamental topics in mathematics and is widely used in various fields of science and technology. The book covers key aspects of the theory, starting with the basics and ending with more complex concepts, which makes it suitable for both beginners and more experienced readers. The main attention in the "Lectures on the theory of functions of a complex variable" is devoted to such important topics as analytical functions, integrals along complex paths, Cauchy's theorem, residual theorems and many others. The authors strive not only to present theoretical foundations, but also to illustrate them in practice with a variety of examples and tasks, which allows the reader to better assimilate the material and apply it in real situations. The book will be especially useful for students of mathematical and engineering specialties, as well as graduate students and teachers who are looking for high-quality and relevant materials for the preparation of lectures and seminars. It can also attract the attention of anyone interested in mathematical analysis, physics and engineering, as many of the topics discussed are directly related to practical problems in these areas. The style of the authors is distinguished by the clarity and logic of the presentation . They strive to make the material accessible and understandable, avoiding unnecessary complexity and abstraction. This allows readers not only to understand the theoretical foundations, but also to see their practical application. The book is replete with illustrations and graphs that help to visualize complex concepts and make the learning process more engaging. In addition, "Lectures on the theory of functions of a complex variable" may be of interest to those who are already familiar with other works of authors. For example, Sidorov Yu . In. is known for his work in the field of mathematical analysis, and Fedoryuk M. In. and Shabunin M. and . have also written a number of textbooks and manuals that have gained recognition among students and faculty. Their experience and in-depth knowledge in mathematics make this book a valuable resource for anyone who wants to deepen their knowledge of function theory. The book raises important topics such as the relationship between theory and practice, the role of complex analysis in the modern sciences, and its application in solving real-world problems. It also touches on the philosophical aspects of mathematical thinking, making it not only a textbook, but also a source of inspiration for thinking about the nature of mathematics. If you are looking for a qualitative and fascinating reading on the theory of functions of a complex variable, then "Lectures on the theory of functions of a complex variable" by Sidorov Yu. In. , Fedoryuk M. In. and Shabunin M. and . This is exactly what you need[edit] This book will be a reliable companion in your educational path and will help you discover the world of complex analysis from a new perspective.