%0 Journal Article %A Kováč, Eugen %T On $\varphi $-convergence and $\varphi $-density %J Mathematica slovaca %D 2005 %P 329-351 %V 55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_2005__55_3_a7/ %G en %F MASLO_2005__55_3_a7