O. Vasylyk and K. Shurubura, “Optimization of the model of ϕ-sub-Gaussian generalized fractional Brownian motion: Optimization of the model of ϕ-GFBM”, BTSNUKPhM, vol. 80, no. 1, pp. 17–28, Jul. 2025, doi: 10.17721/1812-5409.2025/1.3.