BibTeX is a file format and reference management system commonly used in conjunction with LaTeX typesetting. It serves as a way to organize and store bibliographic information for academic and research documents.

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Installation and Setup

We have to install the bibtexparser and pymupdf packages. 
pip install bibtexparser pymupdf

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Document loader

See a usage example. 
from langchain_community.document_loaders import BibtexLoader