1.
Pavlov R, Paneva-Marinova D, Simeonov G. Survey of Existing Services in the Mathematical Digital Libraries and Repositories in the EuDML Project. DiPP [Internet]. 2011 Sep. 30 [cited 2024 Dec. 21];1:26-3. Available from: https://dipp.math.bas.bg/dipp/article/view/dipp.2011.1.3