Konstantinides, Dimitrios, Remigijus Leipus, and Jonas Šiaulys. “On the Non-Closure under Convolution for Strong Subexponential Distributions”. Nonlinear Analysis: Modelling and Control 28, no. 1 (December 23, 2022): 97–115. Accessed July 27, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/30208.