Cassella A., Quadrelli C., “Right-Angled Artin Groups and Enhanced Koszul Properties”, J. Group Theory, 24:1 (2021), 17–38
Quadrelli C., “Pro-P Groups With Few Relations and Universal Koszulity”, Math. Scand., 127:1 (2021), 28–42
Minac J. Palaisti M. Pasini F.W. Nguyen Duy Tan, “Enhanced Koszul Properties in Galois Cohomology”, Res. Math. Sci., 7:2 (2020), 10
Piontkovski D., Silvestrov S.D., “Cohomology of 3-dimensional color Lie algebras”, J. Algebra, 316:2 (2007), 499–513
Piontkovski D., “Linear equations over noncommutative graded rings”, J. Algebra, 294:2 (2005), 346–372
Д. И. Пионтковский, “Множества рядов Гильберта и их приложения”, Фундамент. и прикл. матем., 10:3 (2004), 143–156; D. I. Piontkovskii, “Sets of Hilbert series and their applications”, J. Math. Sci., 139:4 (2006), 6753–6761