@article{1103857839, author = {Pohlmeyer, K.}, title = {The equation curl $W\_{\mu}(x)=0$ in quantum field theory}, journal = {Comm. Math. Phys.}, volume = {24}, number = {2}, year = {1972}, pages = { 73-86}, language = {en}, url = {http://dml.mathdoc.fr/item/1103857839} }
Pohlmeyer, K. The equation curl $W_{\mu}(x)=0$ in quantum field theory. Comm. Math. Phys., Tome 24 (1972) no. 2, pp. 73-86. http://gdmltest.u-ga.fr/item/1103857839/