Install gsl-doc-pdf by entering the following commands in the terminal:
sudo apt update sudo apt install gsl-doc-pdf
Description:
GNU Scientific Library (GSL) Reference Manual in pdf
This package provides a pdf file with the reference manual for the GNU Scientific Library (GSL), a collection of routines for numerical analysis. . The reference manual is also available in postscript and html formats in the packages gsl-ref-psdoc and gsl-ref-html, respectively.
Homepage: http://www.gnu.org/software/gsl
Version: 2.3-1
Section: multiverse/doc