%0 Journal Article
%A Andrej Pokrzywa
%T On the distance between spectra
%J Mathematica Applicanda
%D 1985
%P  93-103
%V 12
%N 24
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.14708/ma.v12i24.1624/
%R 10.14708/ma.v12i24.1624
%G pl
%F 10_14708_ma_v12i24_1624