%0 Journal Article
%A Zabczyk, Jerzy
%T A mathematical correction problem
%J Kybernetika
%D 1972
%P -322
%V 08
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1972__8_4_a3/
%G en
%F KYB_1972__8_4_a3