ANDERSSON, Mats; CARLSSON, Hasse. Boundary Convergence in Non-Tangential and Nonadmissible Approach Regions. Mathematica Scandinavica, Berkeley, CA, United States, v. 70, p. 293–301, 1992. DOI: 10.7146/math.scand.a-12403. Disponível em: https://journals.msp.org/mscand/article/view/1249. Acesso em: 24 jul. 2026.