Aissi Y, Zeglami D, Fadli B. Alienation of Drygas’ and Cauchy’s functional equations. Ann. Math. Sil. [Internet]. 2021 Apr. 13 [cited 2025 May 7];35(2):131-48. Available from: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13440