@book{Olver:1993:ALG,
author = {Olver, Peter J.},
title = {Applications of {L}ie Groups to Differential Equations},
series = {Graduate Texts in Mathematics},
volume = {107},
edition = {2nd},
publisher = {Springer-Verlag},
address = {New York},
year = {1993},
pages = {xxviii+513},
isbn = {0-387-94007-3; 0-387-95000-1},
mrclass = {58G35 (22E60 35A30 58F05 58F07)},
mrnumber = {MR1240056 (94g:58260)},
zblno = {0785.58003}}