Dragomir, Sever S, Koliha, Jerry J and Cho, Yeol Je (2000) On Inequalities in Normed Linear Spaces and Applications. RGMIA research report collection, 3 (1).

Koliha, Jerry J (1999) Error Bounds for a General Perturbation of the Drazin Inverse. RGMIA research report collection, 2 (4).

Castro Gonzalez, N, Koliha, Jerry J and Wei, Yimin (1999) Error Bounds for the Perturbation of the Drazin Inverse of Closed Operations with Equal Spectral Projections. RGMIA research report collection, 2 (5).

Dragomir, Sever S and Koliha, Jerry J (1998) Two Mappings Related To Semi-Inner Products And Their Applications in Geometry of Normed Linear Spaces. RGMIA research report collection, 2 (1).