Akram, Faiza. “The Non-Homogeneous Groshev Convergence Theorem for Diophantine Approximation on Manifolds”. JOURNAL OF ADVANCES IN MATHEMATICS 13, no. 4 (October 26, 2017): 7354–7369. Accessed March 29, 2024. https://rajpub.com/index.php/jam/article/view/6352.