✓

@Book{            book:3379,
  Author        = "Jacobson, Nathan",
  date-added    = "2022-03-08 13:30:20 +0100",
  date-modified = "2022-03-08 13:30:20 +0100",
  Edition       = "1st ed. 1951. Corr. 2nd printing",
  ISBN          = "9780387901817,9783540901815,0387901817,3540901817",
  Publisher     = "Springer",
  Series        = "Graduate Texts in Mathematics",
  Title         = "Lectures in abstract algebra: Basic Concepts",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=aeb0b680d003a319ebc2fd9e7b1d4f6e",
  Volume        = "Volume 1",
  Year          = "1976",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=aeb0b680d003a319ebc2fd9e7b1d4f6e",
  File          = "[Graduate Texts in Mathematics] N. Jacobson - Lectures in abstract algebra\_ Basic Concepts Volume 1(1976, Springer) - libgen.lc.djvu",
  file-2        = "[Graduate Texts in Mathematics] N. Jacobson - Lectures in abstract algebra\_ Basic Concepts Volume 1(1976, Springer) - libgen.lc.pdf"
}

@Book{ book:3379, Author = "Jacobson, Nathan", date-added = "2022-03-08 13:30:20 +0100", date-modified = "2022-03-08 13:30:20 +0100", Edition = "1st ed. 1951. Corr. 2nd printing", ISBN = "9780387901817,9783540901815,0387901817,3540901817", Publisher = "Springer", Series = "Graduate Texts in Mathematics", Title = "Lectures in abstract algebra: Basic Concepts", URL = "http://gen.lib.rus.ec/book/index.php?md5=aeb0b680d003a319ebc2fd9e7b1d4f6e", Volume = "Volume 1", Year = "1976", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=aeb0b680d003a319ebc2fd9e7b1d4f6e", File = "[Graduate Texts in Mathematics] N. Jacobson - Lectures in abstract algebra_ Basic Concepts Volume 1(1976, Springer) - libgen.lc.djvu", file-2 = "[Graduate Texts in Mathematics] N. Jacobson - Lectures in abstract algebra_ Basic Concepts Volume 1(1976, Springer) - libgen.lc.pdf" }