@article{10_4064_ap_73_3_269_274,
     author = {Fabiano Brito and Pawe{\l} Walczak},
     title = {On the energy of unit vector fields with isolated singularities},
     journal = {Annales Polonici Mathematici},
     pages = {269--274},
     publisher = {mathdoc},
     volume = {73},
     number = {3},
     year = {2000},
     doi = {10.4064/ap-73-3-269-274},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-73-3-269-274/}
}