Gevorkian, A.A. 2000. ABOUT IRRADIATION ABSORPTION ANOMALIES EFFECTS IN THE MEDIA WITH HELICAL PERIODICAL STRUCTURE. Proceedings of the YSU A: Physical and Mathematical Sciences. 34, 1 (192) (Apr. 2000), 67–72. DOI:https://doi.org/10.46991/PYSUA.2000.34.1.067.