%0 Journal Article
%A Adrijan V. Borisov
%A Margarita G. Spirova
%T Measurability of Sets of Pairs of Planes in the Simply Isotropic Space
%J Mathematica balkanica
%D 2003
%P 291
%V 17
%N 3-4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MABA_2003_17_3-4_a9/
%F MABA_2003_17_3-4_a9