@article{10_4153_CJM_2008_030_5,
     author = {Savu, Anamaria},
     title = {Closed and {Exact} {Functions} in the {Context} of {Ginzburg{\textendash}Landau} {Models}},
     journal = {Canadian journal of mathematics},
     pages = {685--702},
     year = {2008},
     volume = {60},
     number = {3},
     doi = {10.4153/CJM-2008-030-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2008-030-5/}
}