Coman, G., and I. Păvăloiu. “At the 75th Birthday Anniversary of Academician Professor Dimitrie D. Stancu”. Rev. Anal. Numér. Théor. Approx., vol. 31, no. 1, Feb. 2002, pp. 5-7, https://ictp.acad.ro/jnaat/journal/article/view/2002-vol31-no1-art1.