%0 Journal Article %A Gegham Gevorkyan %A Anna Kamont %A Karen Keryan %A Markus Passenbrunner %T Unconditionality of orthogonal spline systems in $H^1$ %J Studia Mathematica %D 2015 %P 123-154 %V 226 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm226-2-2/ %R 10.4064/sm226-2-2 %G en %F 10_4064_sm226_2_2