While there isn't a single research "paper" with that exact title, the phrase refers to the or "Ready-made Homework Solutions" for the 7th-grade Algebra textbook authored by Yu. N. Makarychev, N. G. Mindyuk, K. I. Neshkov, and I. E. Feoktistov .

Алгебра 7 класс. Учебник (углубленный уровень ... - OZON

This specific textbook is widely used in Russia for the of mathematics. Key Details of the Textbook & Solutions