PBL, GE, AMD, DEKh
Gerasim (Sima) Eliashberg
https://mobt3ath.com/uplode/books/book-92964.pdf
https://en.wikipedia.org/wiki/Peter_Littlewood
https://www.itp.ac.ru/en/persons/dyugaev-aleksandr-mikhailovich/
https://chair.itp.ac.ru/index.php?sub=students/alumni&lang=en#y1995
https://www.itp.ac.ru/en/persons/khmelnitsky-david-efraimovich/
2013 Elastic Model of Dry Friction - A. I. Larkin and D. E. Khmelnitskii