V. BOROVYTSKY and O. HUDZ, “TECHNIQUE FOR CONTRAST DETERMINATION IN CASE OF HARMONIC SPATIAL MODULATION OF ILLUMINATION”, Herald of Khmelnytskyi National University. Technical sciences, vol. 323, no. 4, pp. 59–64, Aug. 2023, doi: 10.31891/2307-5732-2023-323-4-59-64.