Nonparametric Estimation for Locally Stationary GARCH Processes with Laplace-Distributed Noise. Austrian Journal of Statistics, [S. l.], v. 55, n. 2, p. 61–78, 2026. DOI: 10.17713/ajs.v55i2.2308. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/2308. Acesso em: 15 jun. 2026.