@TechReport{      StanislavSykora,
  Author        = "Sykora, Stanislav",
  date-added    = "2020-10-08 10:20:05 +0200",
  date-modified = "2020-10-08 10:20:25 +0200",
  Institution   = "Extra Byte",
  Title         = "An Abel's identity and its Corollaries",
  Year          = "2014",
  bdsk-url-1    = "http://dx.doi.org/10.3247/SL5Math14.004",
  File          = "2014\_MATH\_Sykora\_AbelCorollaries1 - a - h.pdf"
}

@TechReport{ StanislavSykora, Author = "Sykora, Stanislav", date-added = "2020-10-08 10:20:05 +0200", date-modified = "2020-10-08 10:20:25 +0200", Institution = "Extra Byte", Title = "An Abel's identity and its Corollaries", Year = "2014", bdsk-url-1 = "http://dx.doi.org/10.3247/SL5Math14.004", File = "2014_MATH_Sykora_AbelCorollaries1 - a - h.pdf" }