BAIRD, P.; WOOD, J. C. Weierstrass representations for harmonic morphisms on Euclidean spaces and spheres. MATHEMATICA SCANDINAVICA, [S. l.], v. 81, p. 283–300, 1997. DOI: 10.7146/math.scand.a-12881. Disponível em: https://www.mscand.dk/article/view/12881. Acesso em: 2 may. 2024.