@online{Syllabus,
  language = {bulgarian},
  title = {Конспект за ДИ за спец. статистика},
  url = {https://intranet.fmi.uni-sofia.bg/index.php/s/KOTdUnmqbrnd0sX},
  urldate = {2019-03-24},
  year = {2018}
}

@book{Knapp2016BasicAlgebra,
  author = {Anthony Knapp},
  edition = {Digital Second Edition},
  language = {english},
  title = {Basic Algebra},
  url = {http://www.math.stonybrook.edu/~aknapp/},
  year = {2016}
}

@online{RoyachkiNotes,
  author = {Александър Роячки},
  language = {bulgarian},
  title = {Разписани лекции по висша алгебра},
  url = {https://debian.fmi.uni-sofia.bg/study/materials/la/lectures/},
  urldate = {2019-07-04},
  year = {2013}
}

@online{SEAutumn2011,
  language = {bulgarian},
  subtitle = {Редовен изпит},
  title = {Задачи за ДИ за спец. статистика},
  url = {https://intranet.fmi.uni-sofia.bg/index.php/s/JcrsrbN69QjtfGu},
  urldate = {2019-07-04},
  year = {2011}
}
