On the quotient of two arithmetical functions, Acta Math. et Inf. 1 (1992), 59-64, with J. TÓTH
It is not a big mistake to claim that lim_xda g(f(x)) = lim _ydAg(y) where A=lim_{x da} f(x), Acta Math. et Inf. 1 (1992), 39-42,
    with J. TÓTH
Means of positive numbers and certain types of series, Acta Math. et Inf. 1 (1992), 49-58, with J. BUKOR, T. ŠALÁT and
    J. TÓTH
On the integer part of real numbers, Mat. Obzory  39 (1993), 81-90 (Slovak).
On normability of a space of measurable real functions, Acta Math. et Inf. 2 (1995), 73-76. (pdf)
On locally antisymmetric functions, Acta Math. et Inf. 2 (1995), 83-88, with J. TÓTH
When a³+b³ =c³, Amer. Math. Monthly  99 (1992), p. 883.
Turtle beats Carl Lewis (Infinities - stuff that makes people go nuts),preprint (pdf)