%0 Journal Article %A Wiśnicki, Andrzej %T On a nonstandard approach to invariant measures for Markov operators %J Annales Universitatis Mariae Curie-Skłodowska. Mathematica %D 2010 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUM_2010_54_2_a3/ %G en %F AUM_2010_54_2_a3