Christov, C.I. - In: Mathematics and Computers in Simulation (MATCOM) 80 (2009) 1, pp. 91-101
In recent works of the author [Found. Phys. 36 (2006) 1701–1717; Math. Comput. Simul. 74 (2007) 93–103], the argument has been made that Hertz's equations of electrodynamics reflect the material invariance (indifference) of the latter. Then the principle of material invariance was postulated in...
