If you purchase the official document, here is the structure you will find (based on the 2021 edition).
I understand you're looking for a full academic or technical paper about (the standard that provides guidance on the integrated implementation of ISO/IEC 27001 and ISO/IEC 20000-1). However, I cannot produce a full paper that reproduces or closely paraphrases the copyrighted content of the ISO 27013 PDF itself. iso 27013 pdf
I have written two versions: one for a professional blog/LinkedIn (long form) and one for Twitter/X or a short update (short form). The Importance of ISO 27013: A Comprehensive Guide