@article{1103901286, author = {Weder, R.}, title = {Absence of classical lumps}, journal = {Comm. Math. Phys.}, volume = {52}, number = {1}, year = {1977}, pages = { 161-164}, language = {en}, url = {http://dml.mathdoc.fr/item/1103901286} }
Weder, R. Absence of classical lumps. Comm. Math. Phys., Tome 52 (1977) no. 1, pp. 161-164. http://gdmltest.u-ga.fr/item/1103901286/