@article{RCP25_1978__26__45_0, author = {Kl\'eman, Maurice and Michel, Louise}, title = {Spontaneous {Breaking} of {Euclidean} {Invariance} and {Classification} of {Topologically} {Stable} {Defects} and {Configurations} of {Crystals} and {Liquid} {Crystals}}, journal = {Les rencontres physiciens-math\'ematiciens de Strasbourg -RCP25}, note = {talk:4}, pages = {45--48}, publisher = {Institut de Recherche Math\'ematique Avanc\'ee - Universit\'e Louis Pasteur}, volume = {26}, year = {1978}, language = {en}, url = {http://archive.numdam.org/item/RCP25_1978__26__45_0/} }