%0 Journal Article
%A Catalano, Fabio
%T Null Condition for Semilinear Wave Equation with Variable Coefficients
%J Serdica Mathematical Journal
%D 1999
%P 321-340
%V 25
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SMJ2_1999_25_4_a4/
%G en
%F SMJ2_1999_25_4_a4