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@Book{            book:3367849,
  Author        = "Filipuk, Galina and Koz{\l}owski, Andrzej",
  date-added    = "2023-04-06 08:19:36 +0200",
  date-modified = "2023-04-06 08:19:40 +0200",
  ISBN          = "3110774542,9783110774542",
  Publisher     = "De Gruyter",
  Series        = "De Gruyter Textbook",
  Title         = "Differential Geometry, Differential Equations, and Special Functions",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=879F4453F643B24017FF64545E93B6D1",
  Year          = "2022",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=879F4453F643B24017FF64545E93B6D1",
  File          = "(De Gruyter Textbook) Galina Filipuk, Andrzej Kozłowski - Differential Geometry, Differential Equations, and Special Functions-De Gruyter (2022) - a.pdf"
}

@Book{ book:3367849, Author = "Filipuk, Galina and Koz{\l}owski, Andrzej", date-added = "2023-04-06 08:19:36 +0200", date-modified = "2023-04-06 08:19:40 +0200", ISBN = "3110774542,9783110774542", Publisher = "De Gruyter", Series = "De Gruyter Textbook", Title = "Differential Geometry, Differential Equations, and Special Functions", URL = "http://gen.lib.rus.ec/book/index.php?md5=879F4453F643B24017FF64545E93B6D1", Year = "2022", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=879F4453F643B24017FF64545E93B6D1", File = "(De Gruyter Textbook) Galina Filipuk, Andrzej Kozłowski - Differential Geometry, Differential Equations, and Special Functions-De Gruyter (2022) - a.pdf" }