%0 Journal Article
%A Veljko A. Vujičić
%T Modification of earth's gravity sphere
%J Theoretical and applied mechanics
%D 2013
%P 121 
%V 40
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.2298/TAM1301121V/
%R 10.2298/TAM1301121V
%G en
%F 10_2298_TAM1301121V