1985 / 1-2. szám Matolcsy K.: Syntopogenous spaces with preorder. V (extensions) Riddle, M. L.: The bilinear product category Günttner, R.: On an interpolational process Szalay I.: On the Banach space of strongly convergent trigonometric series Engels, W.: On the characterization of the dyadic derivative Kinukawa, M.: Integrability of Walsh series Szeto, G. - Wong, Y.-F.: A characterization of separable polynomials over a ring Facchini, A.: Non-fissile rings with mixed additive group Kita, H.: Almost everywhere convergence of orthogonal series Kaya, A. - Kaya, K.: Another generalization of a theorem of A. Kertész Janković, D. S.: A note on mappings of extremally disconnected ...