Addition and subtraction of homothety classes of convex sets. Soltan, Valeriu — 2006 Beiträge zur Algebra und Geometrie
What is the minimum length of a non-extendable lace? Kemnitz, Arnfried; Soltan, Valeriu — 1999 Beiträge zur Algebra und Geometrie
The intersection of convex transversals is a convex polytope. Lawrence, Jim; Soltan, Valeriu — 2009 Beiträge zur Algebra und Geometrie
Unilateral tilings of the plane with squares of three sizes. Martini, Horst; Makai, Endre; Soltan, Valeriu — 1998 Beiträge zur Algebra und Geometrie