LAPINSKAS, R. On limit theorem for density function and asymptotic expansion in multidimensional case. Lithuanian Mathematical Journal, [S. l.], v. 11, n. 4, p. 817–831, 1971. DOI: 10.15388/LMJ.1971.21036. Disponível em: https://www.journals.vu.lt/LMJ/article/view/21036.. Acesso em: 6 may. 2024.