@book{701402, title = {Proceedings of the Winter School "Geometry and Physics"}, series = {GDML\_Books}, publisher = {Circolo Matematico di Palermo}, address = {Palermo}, year = {1987}, mrnumber = {MR0946707}, zbl = {0634.00015}, url = {http://dml.mathdoc.fr/item/701402} }
Bureš, J.; Souček, V. (éd.). Proceedings of the Winter School "Geometry and Physics". GDML_Books (1987), http://gdmltest.u-ga.fr/item/701402/