VALAKEVIČIUS, Eimutis. Approximation of a positive random variable distribution by the mixture of exponential distsibutions . Lietuvos matematikos rinkinys, [S. l.], v. 38, n. II, p. 475–477 , 1998. DOI: 10.15388/LMD.1998.37962. Disponível em: https://test.zurnalai.vu.lt/LMR/article/view/37962. Acesso em: 27 oct. 2025.