TY CONF TI THE CONSTANCY OF THE SPEED OF LIGHT AND THE GENERALIZATION OF THE PRINCIPLE OF ADDITION OF VELOCITIES OF GALILEO KW synthesis KW photon KW reflection KW frequency KW speed JO XXVI international conference "Electromagnetic field and materials (fundamental physical research)ยป AU Surnin, S.P. PY 2026 PB INFRA-M Academic Publishing LLC.