@article{702336,
title = {Singular lines in liquid crystals},
booktitle = {Equadiff 7},
series = {GDML\_Books},
publisher = {BSB B.G. Teubner Verlagsgesellschaft},
address = {Leipzig},
year = {1990},
pages = {202-203},
zbl = {0731.49038},
url = {http://dml.mathdoc.fr/item/702336}
}
Souček, J. Singular lines in liquid crystals, dans Equadiff 7, GDML_Books, (1990), pp. 202-203. http://gdmltest.u-ga.fr/item/702336/