ARONE, Gregory; ŠARČEVIĆ, Franjo. The space of $r$-immersions of a union of discs in $\mathbb R^n$. Mathematica Scandinavica, Berkeley, CA, United States, v. 130, n. 3, 2024. DOI: 10.7146/math.scand.a-148809. Disponível em: https://journals.msp.org/mscand/article/view/39. Acesso em: 24 jul. 2026.