@Unpublished{     DA,
  Author        = "Pogudin, Gleb",
  date-added    = "2023-03-11 23:14:26 +0100",
  date-modified = "2023-03-11 23:14:43 +0100",
  Title         = "Differential Algebra",
  Year          = "2020",
  File          = "Differential Algebra - da\_notes - a.pdf"
}

@Unpublished{ DA, Author = "Pogudin, Gleb", date-added = "2023-03-11 23:14:26 +0100", date-modified = "2023-03-11 23:14:43 +0100", Title = "Differential Algebra", Year = "2020", File = "Differential Algebra - da_notes - a.pdf" }