%0 Journal Article %A V. F. Murzina %T Freedom from the interpolation property for tense calculi associated with Ershov spaces %J Algebra i logika %D 2007 %P 745-762 %V 46 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2007_46_6_a4/ %G ru %F AL_2007_46_6_a4