This manual presents basic methods for solving certain classes of mathematical physics equation problems. To make the book easier for students to use, the text includes a brief summary of the main theoretical facts.

Each section includes solutions to examples of typical problems, and at the end of the section there are tasks for independent and in-class work, as well as answers to them.

The book is intended for students and teachers of the Faculty of Informatics and Applied Mathematics of Yerevan State University. Specialists from other mathematical and engineering faculties can also use it.