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I apologize in advance if these questions have been asked and answered before. I have trouble with biblatex package and I am very confused about it. In short, here is a minimal code that I am trying to achieve.

\documentclass[11pt,twoside]{book}
\usepackage[T1]{fontenc}
\usepackage[utf8]{inputenc}
\usepackage{biblatex}
\usepackage[english]{babel}
\usepackage{biblatex}

\addbibresource{Reference1.bib}


\begin{document}


Lorem \cite{RuizHerrera1993b}, 
ipsum \cite{Bibitemmr1880658Niculescu2001b}


\printbibliography
\end{document}

With the following reference

@Article{RuizHerrera1993b,
  author    = {Ruiz-Herrera, Alfonso},
  journal   = {Discrete & Continuous Dynamical Systems - A},
  title     = {Chaos in delay differential equations with applications in population dynamics},
  year      = {1993},
  number    = {4},
  pages     = {1633-1644},
  volume    = {33},
  address   = {Boston, MA, USA},
  date      = {1993},
  doi       = {10.3934/dcds.2013.33.1633},
  publisher = {American Institute of Mathematical Sciences (AIMS)},
}

@Article{Bibitemmr1880658Niculescu2001b,
  author    = {Bibitem{mr1880658} Niculescu, , S.-I and {it}, journal = {Delay Effects on Stability}; Lecture Notes in Control and Information Sciences},
  year      = {2001},
  pages     = {269},
  address   = {London, UK},
  date      = {2001},
  publisher = {Springer},
}


@Article{Bibitemmr1433374Shampineb,
  author = {Bibitem{mr1433374} Shampine, L and Reichelt, M},
  title  = {The MATLAB ODE suite. {em SIAM}, journal = {J. Sci. Comput.} {bf}, date = {1997}, year = {1997}, pages = {1--22}, volume = {18}, doi = {10.1137/S1064827594276424}},
}

When I enter this into winedt console i receive an error message:

No file Question.bbl.
Package biblatex Info: Reference section=0 on input line 10.
Package biblatex Info: Reference segment=0 on input line 10.

LaTeX Warning: Citation 'RuizHerrera1993b' on page 1 undefined on input line 13
.


LaTeX Warning: Citation 'Bibitemmr1880658Niculescu2001b' on page 1 undefined on
 input line 14

I tried to solve the problem but I haven't been able to resolve it so far. I apologise in advance if the question isn't that clear. Any help would be immensely apreciated!!!

egreg
  • 1,121,712
Zbigniew
  • 2,292
  • 3
    You need to run biber after the pdflatex run and then pdflatex again. And correct the author in the bib entry. – Ulrike Fischer Dec 19 '22 at 08:16
  • @Ulrike Fisher Thank you for your hint. – Zbigniew Dec 19 '22 at 08:46
  • As Ulrike says: Your document needs to be compiled with Biber. A full compile cycle would involve at least pdfLaTeX, Biber, pdfLaTeX, pdfLaTeX. See https://tex.stackexchange.com/q/63852/35864. If you use an editor to compile your document for you, see https://tex.stackexchange.com/q/154751/35864. – moewe Dec 19 '22 at 15:54
  • That said, your .bib file has some issues (that are not the cause of the warning messages you show, but should be fixed). Firstly, the unescaped & in RuizHerrera1993b's journal field will cause a LaTeX error. It should be journal = {Discrete \& Continuous Dynamical Systems},. The entries Bibitemmr1880658Niculescu2001b and Bibitemmr1433374Shampineb appear to have extremely odd author and title fields that contain data that should be in other fields. – moewe Dec 19 '22 at 15:58
  • Do things work for you now that you compile with Biber (and have fixed your .bib entries a bit)? Or is there something else that needs doing? – moewe Jan 06 '23 at 16:00

0 Answers0