Book 130 Higher Mathematics: Dissection. : Tensor algebra: method. Decree. Authors and . A. Kashapova, F. R. Kashapova, S. P. Ponomarev and T. N. Fomenko is a unique educational resource that immerses the reader in the world of tensor algebra, one of the most complex and at the same time fascinating areas of higher mathematics. This publication will be an indispensable assistant for students, graduate students and anyone who seeks to deepen their knowledge in mathematics and physics. The book covers key aspects of tensor algebra, starting with basic concepts and ending with more complex topics. The authors offer clear and accessible explanations, which makes the material understandable even for those who are just beginning to get acquainted with this discipline. Each section contains guidelines, examples and tasks that help to consolidate the knowledge gained . This makes the book not only a theoretical tool, but also a practical tool for solving real problems. The topics raised in the book cover a wide range of issues related to tensors, their properties and applications in various fields of science and technology. Readers will be able to learn how tensor algebra is used in mechanics, relativity, and other scientific disciplines. This makes the book especially valuable for students of technical and natural sciences specialties, as well as for researchers working in related fields. The book will be interesting not only for students, but also for teachers who are looking for high-quality educational materials for their courses. The authors, with considerable experience in teaching and research activities, offer a unique approach to explaining complex mathematical concepts. Their style of presentation is clear and logical, which allows the reader to easily absorb the material and apply it in practice. and . A. Kashapov and his co-authors are known for their works in the field of higher mathematics and applied sciences. Their previous work, such as "