While there isn't a single formal "academic paper" for SAP, you can find detailed documentation and technical guides on various developer platforms: 1. Official Documentation & Downloads
A detailed guide on Medium that explains the architecture of split APKs and how tools like SAP and AntiSplit-M automate the reassembly process. Download Split APKs Packer zip
If you are writing your own paper, these are the core technologies you should focus on: While there isn't a single formal "academic paper"