@article{IM2_2023_87_3_a1,
     author = {V. A. Abrashkin},
     title = {Ramification filtration and differential forms},
     journal = {Izvestiya. Mathematics},
     pages = {421--438},
     year = {2023},
     volume = {87},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2023_87_3_a1/}
}