@article{GDZPPN001171283,
title = {Finite Element Methods for Symmetric Hyperbolic Equations.},
journal = {Numerische Mathematik},
volume = {21},
year = {1973},
pages = {244-255},
zbl = {0283.65061},
url = {http://dml.mathdoc.fr/item/GDZPPN001171283}
}
Lesaint, P. Finite Element Methods for Symmetric Hyperbolic Equations.. Numerische Mathematik, Tome 21 (1973) pp. 244-255. http://gdmltest.u-ga.fr/item/GDZPPN001171283/