@article{EXMATH_1996_1996_1_a20,
     author = {Ehrentraut, H. and Muschik, W.},
     title = {Leyes de equilibrio y ecuaciones constitutivas para cristales l{\'\i}quidos.},
     journal = {Extracta mathematicae},
     pages = {41-50},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {1996},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1996_1996_1_a20/}
}