CẢNH, Trần. Evaluating gradient of a differentiable function by Monte-Carlo method. <b>Journal of Computer Science and Cybernetics</b>, <i>[S. l.]</i>, v. 17, n. 2, p. 45–50, 2012. DOI: 10.15625/1813-9663/17/2/2443. Disponível em: https://jcc.vast.vn/jcc/article/view/2443. Acesso em: 4 nov. 2025.