Geodesic
On the best one-layer clearing covering for a frequency interval
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 2, pp. 325-327 
Yu. I. Khudak. On the best one-layer clearing covering for a frequency interval. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 30 (1990) no. 2, pp. 325-327. http://geodesic.mathdoc.fr/item/ZVMMF_1990_30_2_a15/
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Voir la notice de l'article provenant de la source Math-Net.Ru

The existence of a unique global minimum for the maximum of the power reflection coefficient of a single-layer coating in a specified frequency band is proved.

[1] Born M., Volf E., Osnovy optiki, Nauka, M., 1973

[2] Glasko V. B., Tikhonov A. N., Tikhonravov A. V., “O sinteze mnogosloinykh pokrytii”, Zh. vychisl. matem. i matem. fiz., 14:1 (1974), 135–144 | MR

[3] Khudak Yu. M., “O minimume srednego znacheniya funktsii rabochego zatukhaniya dlya stupenchatykh sistem”, Zh. vychisl. matem. i matem. fiz., 25:1 (1985), 88–95 | MR