HODŽIĆ, Samir, PAŠALIĆ, Enes and ZHANG, WeiGuo, 2019, Generic constructions of five-valued spectra Boolean functions. IEEE transactions on information theory [online]. 2019. Vol. 65, no. 11, p. 7554–7565. [Accessed 6 April 2025]. DOI 10.1109/TIT.2019.2910808. Retrieved from: https://ieeexplore.ieee.org/document/8689060