KRYLOVAS, Aleksandras; MIŠKINIS, Paulius. Nonlinear oscillations of the absolute elastic weightless string. Asymptotics construction. Lietuvos matematikos rinkinys, [S. l.], v. 47, n. spec., p. 123–127, 2007. DOI: 10.15388/LMR.2007.19766. Disponível em: https://www.journals.vu.lt/LMR/article/view/19766.. Acesso em: 2 may. 2024.