Insertion of E_k to L_∞ for the best approximation in Haar's system of functions if 0[p[1, Serdica 18 (1992), 36-42,
    with J. TÓTH
On cardinality of sets of metrics generating metric spaces of prescribed properties, Annales Univ. Sci. Budapest. 35
    (1992), 15-21, with T. ŠALÁT and J. TÓTH
Metric space of metrics defined on a given set, Real Anal. Exchange 18 (1992/93), 225-232, with T. ŠALÁT and J. TÓTH
On the structure of the space of metrics defined on a given set, Real Anal. Exchange 19 (1993/94), 321-327, with
    T. ŠALÁT and J. TÓTH
On subspaces of measurable real functions, Portugal. Math. 52 (1995), 125-130 Pdf
On a typical property of functions, Math. Slovaca 45 (1995), 121-127, with J. TÓTH
On measure spaces where Egoroff's Theorem holds, Real Anal. Exchange 20 (1994/95), 799-804 Pdf
Superporosity in a class of non-normable spaces, Real Anal. Exchange 22 (1996/1997), 1-13 Pdf