Santos, Raimundo Nonato Araújo Dos. “Topological Triviality of Families of Real Isolated Singularities and Their Milnor Fibrations”. Mathematica Scandinavica 96, no. 1 (March 1, 2005): 96–106. Accessed July 24, 2026. https://journals.msp.org/mscand/article/view/751.