%0 Journal Article
%A G. C. Ghirtis
%T How to Detect when a Model Fitted to Observational Data Needs Updating
%J Μαθηματική Επιθεώρηση

%D 1979
%P 45-52
%V 16
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MR_1979__16_a5/
%G gr
%F MR_1979__16_a5