Rok 2003

1. Ewert-Krzemieniewski, Stanisław, Notes on extended recurrent and extended quasi-recurrent manifolds, Univ. Iagel. Acta Math. No. 41 (2003), 333–340. 

2. Ewert-Krzemieniewski, Stanisław, On a class of Ricci-recurrent manifolds, Acta Math. Acad. Paedagog. Nyházi. (N.S.) 19 (2003), no. 1, 71–82 (electronic). 

3. Glanc, Barbara; Jakubowicz, Antoni, An application of the special Reissner-Nordström space-time to description of the universe in the neighbourhood of the Planck era. Appl. Math. (Warsaw) 30 (2003), no. 3, 365–369.