@book{701682, title = {Proceedings of the 21st Winter School "Geometry and Physics"}, series = {GDML\_Books}, publisher = {Circolo Matematico di Palermo}, address = {Palermo}, year = {2002}, mrnumber = {MR1972421}, zbl = {0994.00029}, url = {http://dml.mathdoc.fr/item/701682} }
Slovák, Jan; Čadek, Martin (éd.). Proceedings of the 21st Winter School "Geometry and Physics". GDML_Books (2002), http://gdmltest.u-ga.fr/item/701682/