BRODERSEN, Hans; TROTMAN, David. Whitney (b)-regularity is weaker than Kuo’s ratio test for real algebraic stratifications. Mathematica Scandinavica, Berkeley, CA, United States, v. 45, p. 27–34, 1979. DOI: 10.7146/math.scand.a-11822. Disponível em: https://journals.msp.org/mscand/article/view/1826. Acesso em: 25 jul. 2026.