Lectures on the Theory of Functions of Complex Variable by Sidorov Yu. In. , Fedoryuk M. In. and Shabunin M. and . It is a fascinating and deep dive into the world of complex analysis, which is one of the key areas of mathematics. This edition will be an indispensable assistant for students, graduate students and anyone interested in mathematics at a deeper level. In their lectures, the authors strive not only to convey to the reader the foundations of the theory of functions of a complex variable, but also to reveal the beauty and elegance of this discipline. The book covers a wide range of topics ranging from simple concepts to more complex concepts such as analytic functions, integrals, and Cauchy theorems. Each section is written with clarity and accessibility, which makes the material understandable even for those who are just beginning to get acquainted with this topic. One of the features of the book is that the authors not only present the theory, but also illustrate it with examples from real life and other areas of science. This helps the reader to see the practical application of the theory of functions of a complex variable in physics, engineering, and other disciplines. For example, the book deals with problems related to electrical circuits and quantum mechanics, which makes the material especially relevant for students of technical specialties. The book will be of interest not only to students of mathematical and physical faculties, but also to teachers who are looking for a high-quality resource for preparing for classes. It will also be useful to anyone who wants to deepen their knowledge of mathematics and learn how to apply the theory of functions of a complex variable in practice. Readers interested in topics such as mathematical analysis, differential equations, and theoretical physics will find much useful information in this book. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to assimilate even the most complex concepts. Sidorov Yu . In. , Fedoryuk M. In. and Shabunin M. and . are known for their scientific works and lectures, which have already received recognition in the academic environment. Their approach to learning is based on a deep understanding of the subject and the desire to make it available to a wide audience. The topics raised in the book include not only theoretical aspects, but also practical applications, making it particularly valuable. The authors emphasize the importance of complex analysis in modern scientific research and technologies. The book also touches on issues related to the history of the development of the theory of functions of a complex variable, which adds context and depth to the material being studied. If you are looking for a tutorial that will not only give you the necessary knowledge, but also inspire you to further study mathematics, then “Lectures on the theory of functions of a complex variable” is what you need. This book will be your reliable companion in the world of complex mathematical concepts and will help you develop critical thinking and analytical abilities. Do not miss the opportunity to immerse yourself in the fascinating world of complex analysis with the help of this unique edition. It will not only expand your knowledge, but also open new horizons in the understanding of mathematics and its application in various fields of science and technology.