Pogoda Z. Professor Andrzej Zajtz a scolar and educator on the 70th birthday anniversary. Ann. Univ. Paedagog. Crac. Stud. Math. [Internet]. 2004 May 22 [cited 2026 Oct. 31];4:5-8. Available from: https://studmath.uken.krakow.pl/article/view/13303