SKRYPNIK, W. I. Sine-gordon transformations in nonequilibrium systems of Brownian particles. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 49, n. 10, p. 1404–1421, 1997. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5138. Acesso em: 5 dec. 2025.