Moldovyan, N.A. and Moldovyan, A.A. 2022. Structure of a 4-dimensional algebra and generating parameters of the hidden discrete logarithm problem: . Vestnik of Saint Petersburg University. Applied Mathematics. Computer Science. Control Processes. 18, 2 (Jul. 2022), 209–217. DOI:https://doi.org/10.21638/11701/spbu10.2022.202.