Bugeaud, Yann, L. Singhal, and Zhenliang Zhang. “Inhomogeneous Diophantine Approximation over Fields of Formal Power Series”. Mathematica Scandinavica 126, no. 3 (September 3, 2020): 451–478. Accessed July 24, 2026. https://journals.msp.org/mscand/article/view/169.