@article{ASNSP_1990_4_17_3_415_0,
     author = {Giaquinta, M. and Modica, G. and Sou\v{c}ek, J.},
     title = {Liquid crystals : relaxed energies, dipoles, singular lines and singular points},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {415--437},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 17},
     number = {3},
     year = {1990},
     mrnumber = {1079984},
     zbl = {0760.49026},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1990_4_17_3_415_0/}
}