@article{AIHPA_1999__70_1_1_0,
     author = {Narnhofer, H. and Thirring, W.},
     title = {Spontaneously broken symmetries},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {1--21},
     year = {1999},
     publisher = {Gauthier-Villars},
     volume = {70},
     number = {1},
     mrnumber = {1671208},
     zbl = {0930.46062},
     language = {en},
     url = {https://www.numdam.org/item/AIHPA_1999__70_1_1_0/}
}