Ferreira, Manuel Alberto M., and José António Filipe. 2022. “Gambler’s Ruin Random Walks and Brownian Motions in Reserves Modelling: Application to Pensions Funds Sustainability”. Research Highlights in Mathematics and Computer Science Vol. 3, December, 92-105. https://doi.org/10.9734/bpi/rhmcs/v3/4029B.