Here's the filing if you wish to read it yourself.[0]
It's 84 pages, almost half of which is footnotes to references. It's very readable, and not dense legalese, though it does contain a few legal terms.
The overview of case at the ICJ, which has updates and transcripts.[1]
[0] https://www.icj-cij.org/sites/default/files/case-related/192...