%0 Journal Article %A Tomasz Szarek %T Lower bound technique and its applications to function systems and stochastic partial differential equations %J Mathematica Applicanda %D 2013 %P 185-198 %V 41 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/ma.v41i2.466/ %R 10.14708/ma.v41i2.466 %G pl %F 10_14708_ma_v41i2_466