Dr. Sergei Kurgalin is a Professor and Head of the Department of Digital Technologies at Voronezh State University, Russia.Dr. Sergei Borzunov is an Associate Professor at the same institution.
The content is pretty comprehensive. ... The writing is well-done and the text is nicely edited. ... it could be very effectively used for self-study. The discovery aspect of problems and solutions can be much more engaging than straight forward reading of text. The reader is also able to build up their knowledge, starting with the problems with short answers and moving to those that are more involved with proofs or longer solutions. (Tricia Muldoon Brown, MAA Reviews, September 20, 2021)