ZIENIUK, Eugeniusz; SZERSZEŃ, Krzysztof. Triangular Bezier patches in modelling smooth boundary surface in exterior Helmholtz problems solved by the PIES. Archives of Acoustics, [S. l.], v. 34, n. 1, p. 51–61, 2009. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/566. Acesso em: 13 may. 2025.