%0 Journal Article
%A Pietro Aiena
%A  
%T On inessential and improjective operators.
%J Studia Mathematica
%D 1998
%P 271-287
%V 131
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-131-3-271-287/
%R 10.4064/sm-131-3-271-287
%G en
%F 10_4064_sm_131_3_271_287