BIKULČIENĖ, Liepa; NAVICKAS, Zenonas. Solution of differential equations using sum of exponential functions. Lietuvos matematikos rinkinys, [S. l.], v. 44, n. spec., p. 138–143, 2004. DOI: 10.15388/LMR.2004.31884. Disponível em: https://www.journals.vu.lt/LMR/article/view/31884.. Acesso em: 9 may. 2024.