TY  - JOUR
AU  - Zampieri, Giuseppe
TI  - A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of $\mathbb {R}^2$
JO  - Rendiconti del Seminario Matematico della Università di Padova
PY  - 1980
SP  - 83
EP  - 87
VL  - 63
PB  - Seminario Matematico of the University of Padua
UR  - http://www.numdam.org/item/RSMUP_1980__63__83_0/
LA  - en
ID  - RSMUP_1980__63__83_0
ER  -