Some criteria for the minimality of pairs of compact convex sets. - Diethard Pallaschke; Ryszard Urbanski (ZOR Methods Model. Oper. Res., 1993)

Reduction of quasidifferentials and minimal representations. - Diethard Pallaschke; Ryszard Urbanski (Math. Program., 1994)

A Geometric Representation of the Morse Fan. - Jerzy Grzybowski; Diethard Pallaschke; Ryszard Urbanski (J. Glob. Optim., 2004)

Data pre-classification and the separation law for closed bounded convex sets. - Jerzy Grzybowski; Diethard Pallaschke; Ryszard Urbanski (Optim. Methods Softw., 2005)

Reduction of finite exhausters. - Jerzy Grzybowski; Diethard Pallaschke; Ryszard Urbanski (J. Glob. Optim., 2010)

On the amount of minimal pairs of convex sets. - Jerzy Grzybowski; Diethard Pallaschke; Ryszard Urbanski (Optim. Methods Softw., 2010)

On minimal representations by a family of sublinear functions. - Jerzy Grzybowski; Mahide Küçük; Yalçin Küçük; Ryszard Urbanski (J. Glob. Optim., 2015)

Reduction of Weak Exhausters and Optimality Conditions via Reduced Weak Exhausters. - Mahide Küçük; Ryszard Urbanski; Jerzy Grzybowski; Yalçin Küçük; Ilknur Atasever Güvenç; Didem Tozkan; Mustafa Soyertem (J. Optim. Theory Appl., 2015)

Reduced Pairs of Compact Convex Sets and Ordered Median Functions. - Jerzy Grzybowski; Diethard Pallaschke; Ryszard Urbanski (J. Optim. Theory Appl., 2016)

Order cancellation law in the family of bounded convex sets. - Jerzy Grzybowski; Ryszard Urbanski (J. Glob. Optim., 2020)

Minimal Pairs of Convex Sets Which Share a Recession Cone. - Jerzy Grzybowski; Ryszard Urbanski (SIAM J. Optim., 2022)