The book "Methods of mathematical physics 3", written by a team of authors led by Bagrov V. G. White in . In. , Zadorozhny V. N. and Trifonov A . Yu. , is an important work that will become an indispensable assistant for students, graduate students and specialists in the field of physics and mathematics . This is the third part of a series devoted to the methods of mathematical physics, and it continues to develop the topics covered in previous volumes, deepening the understanding of complex mathematical concepts and their application in physics. The book covers a wide range of topics, including the theory of differential equations, special functions, methods of integration and numerical methods that are necessary for solving problems in various fields of physics. The authors strive to make the material accessible and understandable, while maintaining a high level of scientific rigor. Each section of the book contains theoretical foundations, examples and tasks, which allows the reader not only to assimilate the material, but also to apply it in practice. This book will be especially interesting for senior students of physics and mathematics faculties, graduate students and teachers, as well as all those who want to deepen their knowledge in the field of mathematical physics. If you are passionate about physics, mathematics or engineering, Methods of Mathematical Physics 3 will be a valuable source of information and inspiration for you. It is suitable for both self-study and as a training manual for courses in mathematical physics .. One of the key topics addressed in the book is the relationship between mathematical methods and physical applications. The authors emphasize that understanding the mathematical foundations is a prerequisite for the successful solution of physical problems. They give many examples from real practice, which makes the material more clear and understandable. Readers will be able to see how abstract mathematical concepts find their application in fields such as quantum mechanics, thermodynamics, and electrodynamics. The style of the authors is distinguished by the clarity and logic of the presentation . They use an accessible language, which allows even complex topics to be presented in an understandable form. This makes the book not only useful, but also fascinating to read. The authors are well acquainted with modern trends in mathematical physics and actively use the latest research and development, which makes their work relevant and modern. In addition, it is worth noting that the team of authors has extensive experience in teaching and scientific activities .. Each of them is a recognized specialist in his field, which gives the book additional value. Their previous work is also noteworthy, and many of them have become classics in mathematical physics. For example, “Methods of mathematical physics 1” and “Methods of mathematical physics 2” have already won recognition among readers and became the basis for the training of students. In conclusion, “Methods of mathematical physics 3” is not just a textbook, but a real find for everyone who seeks to understand the depths of mathematical physics. This book will be a reliable companion on the way to understanding complex physical phenomena and will help develop the analytical thinking necessary to solve scientific and practical problems. If you are looking for a high-quality mathematical physics textbook that combines theory and practice, then this edition is your ideal choice.