"The Collection of Problems on the Theory of Analytical Functions" is a unique textbook created by a team of authors: Efgrafov, Bezhanov, Sidorov and Fedoryuk .. This book will become an indispensable assistant for students, graduate students and anyone who is interested in mathematics and wants a deeper understanding of one of the most important areas - the theory of analytical functions. This collection contains carefully selected tasks that will help the reader not only to consolidate theoretical knowledge, but also to develop skills in solving practical problems. Each task is accompanied by detailed solutions and comments, which makes the material available even to those who are just beginning to get acquainted with this topic. The book covers a wide range of topics, from the basics of theory to more complex aspects, which allows the reader to gradually deepen his knowledge and confidence in the subject. Who can like this collection? First of all, it is intended for students of mathematical and engineering specialties studying complex analysis, as well as for teachers who are looking for additional materials for their courses . However, interest in the book can be shown by a wider range of readers: from schoolchildren preparing for the Olympics to professionals working in the field of applied mathematics and physics. If you are passionate about mathematics and want to develop your analytical skills, this collection will be a real find for you. The topics raised in the book cover key aspects of analytic function theory: properties of analytic functions, complex integral theorems, residents and poles, and applications in various fields of science and technology. The authors emphasize the importance of understanding the theoretical foundations, which allows the reader not only to solve problems, but also to consciously approach their solution. This makes the book noteworthy not only as a textbook, but also as a source of inspiration for further study of mathematics. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to assimilate even the most complex concepts. Efgrafov, Bezhanov, Sidorov and Fedoryuk are not only experienced teachers, but also practicing researchers, which gives their work special value. In their portfolio you can find other well-known works, such as "Basics of complex analysis" and "Methods of solving problems in mathematics", which are also popular among students and teachers. If you are looking for something similar, then you should pay attention to books on mathematical analysis and complex analysis, such as "Mathematical Analysis" P. D. Lebedev or "Comprehensive Analysis" and . In. Gelfanda . These works also offer a variety of tasks to solve on your own and will help you deepen your knowledge of mathematics. In conclusion, the Analytical Function Theory Taskbook is not just a book with problems, it is a whole world in which every reader can find something useful for themselves. It inspires study and research, opens doors to the world of analytical functions, and helps develop critical thinking. If you aspire to new knowledge and want to become a master in mathematics, this collection will become your reliable companion along the way.