@article{701770,
title = {Transformations of conformally invariant $\sigma $-models},
booktitle = {Proceedings of the 25th Winter School "Geometry and Physics"},
series = {GDML\_Books},
publisher = {Circolo Matematico di Palermo},
address = {Palermo},
year = {2006},
pages = {[111]-116},
mrnumber = {MR2287130},
zbl = {1119.81072},
url = {http://dml.mathdoc.fr/item/701770}
}
Hlavatý, Ladislav; Šnobl, Libor. Transformations of conformally invariant $\sigma $-models, dans Proceedings of the 25th Winter School "Geometry and Physics", GDML_Books, (2006), pp. [111]-116. http://gdmltest.u-ga.fr/item/701770/