Dement’ev, S. G., Klyuchnik, N. T., Kuznetsov, V. A., & Yakovlev, M. Y. (2010). Optical fibre demultiplexers for systems of the information transfer. Technology and Design in Electronic Equipment, (2), 43-46. Retrieved from https://www.tkea.com.ua/index.php/journal/article/view/TKEA2010.2.43