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@Book{            book:1415141,
  Author        = "Lando, Sergei K.",
  date-added    = "2022-05-13 16:55:12 +0200",
  date-modified = "2022-05-13 16:55:12 +0200",
  ISBN          = "0-8218-3481-9,9780821834817",
  Publisher     = "American Mathematical Society",
  Series        = "Student Mathematical Library 023",
  Title         = "Lectures on generating functions",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=76116753ddf0df2a8924994604260ac5",
  Year          = "2003",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=76116753ddf0df2a8924994604260ac5",
  File          = "Lectures on generating functions (Sergei K. Lando) (z-lib.org).pdf"
}

@Book{ book:1415141, Author = "Lando, Sergei K.", date-added = "2022-05-13 16:55:12 +0200", date-modified = "2022-05-13 16:55:12 +0200", ISBN = "0-8218-3481-9,9780821834817", Publisher = "American Mathematical Society", Series = "Student Mathematical Library 023", Title = "Lectures on generating functions", URL = "http://gen.lib.rus.ec/book/index.php?md5=76116753ddf0df2a8924994604260ac5", Year = "2003", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=76116753ddf0df2a8924994604260ac5", File = "Lectures on generating functions (Sergei K. Lando) (z-lib.org).pdf" }