def _build_tex_source_link_name(pdf_dl_link):
    """ Builds tex source folder download link from the pdf link

    :param pdf_dl_link  : pdf download link
    :type pdf_dl_link   : str
    :return             : tex src folder download link
    :rtype              : str
    """

    base = "https://arxiv.org/e-print/"
    pdf_no_ext = pdf_dl_link.rsplit("/")[-1].rsplit(".", 1)[0]
    return base + pdf_no_ext