Intrakul J, Iampiboonvatana SY. Corrigendum to "Retracting a ball in $\ell_1$ onto its simple spherical cap" (Topol. Methods Nonlinear Anal. 63 (2024), no.1, 115-129). TMNA [Internet]. 2025 Jun. 14 [cited 2025 Jul. 7];:1-2. Available from: https://apcz.umk.pl/TMNA/article/view/62305