A survey of the fundamental ideas which are the base of the socalled symmetrization method; a priori estimates in partial differential equations.
@article{BUMI_2000_8_3B_3_601_0,
author = {Guido Trombetti},
title = {Metodi di simmetrizzazione nelle equazioni alle derivate parziali},
journal = {Bollettino dell'Unione Matematica Italiana},
volume = {3-A},
year = {2000},
pages = {601-634},
zbl = {0963.35006},
mrnumber = {1801615},
language = {it},
url = {http://dml.mathdoc.fr/item/BUMI_2000_8_3B_3_601_0}
}
Trombetti, Guido. Metodi di simmetrizzazione nelle equazioni alle derivate parziali. Bollettino dell'Unione Matematica Italiana, Tome 3-A (2000) pp. 601-634. http://gdmltest.u-ga.fr/item/BUMI_2000_8_3B_3_601_0/
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