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@Book{            book:870076,
  Author        = "Wegert, Elias",
  date-added    = "2021-12-29 00:10:31 +0100",
  date-modified = "2021-12-29 00:10:31 +0100",
  Edition       = "1",
  ISBN          = "3034801793,9783034801799",
  Publisher     = {Birkh{\"a}user Basel},
  Title         = "Visual Complex Functions: An Introduction with Phase Portraits",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=b3314402874aa1cef48dc452dc5969b8",
  Year          = "2012",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=b3314402874aa1cef48dc452dc5969b8",
  File          = "Visual Complex Functions An Introduction with Phase Portraits by Elias Wegert (auth.) (z-lib.org).pdf"
}

@Book{ book:870076, Author = "Wegert, Elias", date-added = "2021-12-29 00:10:31 +0100", date-modified = "2021-12-29 00:10:31 +0100", Edition = "1", ISBN = "3034801793,9783034801799", Publisher = {Birkh{\"a}user Basel}, Title = "Visual Complex Functions: An Introduction with Phase Portraits", URL = "http://gen.lib.rus.ec/book/index.php?md5=b3314402874aa1cef48dc452dc5969b8", Year = "2012", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=b3314402874aa1cef48dc452dc5969b8", File = "Visual Complex Functions An Introduction with Phase Portraits by Elias Wegert (auth.) (z-lib.org).pdf" }