%0 Journal Article %A R. Ovsepian %A A. Pełczyński %T On the existence of a fundamental total and bounded biorthogonal sequence in every separable Banach space, and related constructions of uniformly bounded orthonormal systems in L² %J Studia Mathematica %D 1975 %P 149-159 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-54-2-149-159/ %R 10.4064/sm-54-2-149-159 %G en %F 10_4064_sm_54_2_149_159