1967.

Writing Code To Be Read at a Glance

jelv.is/blog/Writing-Code-To-Be-Read-at-a-Glance

Code is read more than it is written, but it is skimmed more than it is read, so we should write code that is clear at a glance.

I see a positive mention of math notation. The article is probably wrong as hell. Will take a closer look later.