The Triad Method in the Theory of the Continuation of Hermitian-Positive Functions by I. In. Kowalishin and W. P. Potapova is a fascinating and in-depth study in the field of mathematical analysis that will be of interest to both professional mathematicians and students passionate about this science. In this paper, the authors propose an original approach to the study of Hermitian-positive functions, which opens new horizons in the theory of their continuation. Hermitian-positive functions occupy an important place in mathematics, especially in the context of operator theory and functional analysis. Kovalishin and Potapov, using the triad method, offer readers not only theoretical justifications, but also practical applications of their ideas. The book immerses in the world of complex mathematical concepts, but does so with clarity and accessibility, which allows the reader not only to understand, but also to appreciate the beauty and elegance of mathematical logic. One of the key topics addressed in the book is the relationship between Hermitian-positive functions and various areas of mathematics, such as probability theory, statistics, and even physics. The authors emphasize how their method can be applied to specific tasks, making the book relevant to researchers and practitioners. The reader will be able to see how abstract mathematical ideas are reflected in real applications, which adds additional value to the material being studied. The book will be of interest not only to specialists in the field of mathematics, but also to senior students, graduate students and anyone who seeks to deepen their knowledge in the field of functional analysis. If you are looking for literature that will help you understand complex concepts and give you the opportunity to look at familiar things from a new angle, then the “Triad method in the theory of continuation of Hermitian-positive functions” will be an excellent choice. The style of the authors is clear and logical, which makes it easy to follow their thoughts. and . In. Kowalishin and W. P. Potapov is known for his scientific publications and research in the field of mathematical analysis and function theory. Their previous work has also received recognition in the scientific community, and this book is no exception. The authors skillfully combine theoretical aspects with practical examples, which makes their work not only a textbook, but also a real source of inspiration for future mathematicians. In conclusion, The Triad Method in the Theory of the Continuation of Hermitian-Positive Functions is a book that can change your understanding of mathematics and open new horizons in understanding complex concepts. If you are looking for something that will help you deepen your knowledge and inspire new discoveries, this work will be a real find for you. Do not miss the opportunity to touch the world of high mathematical ideas and discover the amazing opportunities they have to offer.