Galstyan, A. V. 2004. “POLYMER DISPERSED LIQUID CRYSTAL GRATINGS’ EVOLUTION AND INVESTIGATION OF THEIR DIFFRACTION EFFICIENCY”. Proceedings of the YSU A: Physical and Mathematical Sciences 38 (2 (204). Yerevan, Armenia:47-52. https://doi.org/10.46991/PYSU:A/2004.38.2.047.