%0 Journal Article
%A Zampieri, Giuseppe
%T A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of $\mathbb {R}^2$
%J Rendiconti del Seminario Matematico della Università di Padova
%D 1980
%P 83-87
%V 63
%I Seminario Matematico of the University of Padua
%U http://www.numdam.org/item/RSMUP_1980__63__83_0/
%G en
%F RSMUP_1980__63__83_0