A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of ${ℝ}^{2}$
Rendiconti del Seminario Matematico della Università di Padova, Volume 63  (1980), p. 83-87
@article{RSMUP_1980__63__83_0,
author = {Zampieri, Giuseppe},
title = {A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of $\mathbb {R}^2$},
journal = {Rendiconti del Seminario Matematico della Universit\a di Padova},
publisher = {Seminario Matematico of the University of Padua},
volume = {63},
year = {1980},
pages = {83-87},
zbl = {0499.35021},
mrnumber = {605785},
language = {en},
url = {http://www.numdam.org/item/RSMUP_1980__63__83_0}
}

Zampieri, Giuseppe. A sufficient condition for existence of real analytic solutions of P.D.E. with constant coefficients, in open sets of $\mathbb {R}^2$. Rendiconti del Seminario Matematico della Università di Padova, Volume 63 (1980) , pp. 83-87. http://www.numdam.org/item/RSMUP_1980__63__83_0/`

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