2 citations to https://www.mathnet.ru/rus/aif3

1. V. A. Abrashkin, “Ramification filtration and differential forms”, Изв. РАН. Сер. матем., 87:3 (2023), 5–22          ; Izv. Math., 87:3 (2023), 421–438    
2. Victor Abrashkin, “Groups of automorphisms of local fields of period $p$ and nilpotent class $<p$, II”, Int. J. Math., 28:10 (2017), 1750066–32