Cătinaș, Emil, and Nicolae Suciu. “In Memoriam Dr. Călin Vamoș, Member of Tiberiu Popoviciu Institute of Numerical Analysis”. J. Numer. Anal. Approx. Theory, vol. 46, no. 1, Sept. 2017, pp. 107-9, https://doi.org/10.33993/jnaat461-1129.