Expansions in series of homogeneous polynomial solutions of
the general two-dimensional linear partial differential
equation of the second order with constant coefficients
@article{1077468769,
author = {Widder, D. V.},
title = {Expansions in series of homogeneous polynomial solutions of
the general two-dimensional linear partial differential
equation of the second order with constant coefficients},
journal = {Duke Math. J.},
volume = {26},
number = {1},
year = {1959},
pages = { 599-603},
language = {en},
url = {http://dml.mathdoc.fr/item/1077468769}
}
Widder, D. V. Expansions in series of homogeneous polynomial solutions of
the general two-dimensional linear partial differential
equation of the second order with constant coefficients. Duke Math. J., Tome 26 (1959) no. 1, pp. 599-603. http://gdmltest.u-ga.fr/item/1077468769/