"Version: 20201201"--Title page verso.Includes bibliographical references.1. Introduction -- 1.1. General remarks : units -- 1.2. Inertial reference frames -- 1.3. Tensor fields2. Basic notions and equations of electrodynamics -- 2.1. Electrodynamics in vacuum -- 2.2. Maxwell's equations in integral form -- 2.3. Initial-boundary problem for Maxwell system in vacuum -- 2.4. Vector and scalar pot…