Rectifiability of defect measures, fundamental groups and density of Sobolev mappings
Journées équations aux dérivées partielles (1996), article no. 12, 14 p. 
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     author = {Fang Hua Lin},
     title = {Rectifiability of defect measures, fundamental groups and density of {Sobolev} mappings},
     booktitle = {},
     series = {Journ\'ees \'equations aux d\'eriv\'ees partielles},
     eid = {12},
     pages = {1--14},
     publisher = {\'Ecole polytechnique},
     year = {1996},
     zbl = {0871.35028},
     language = {en},
     url = {https://proceedings.centre-mersenne.org/item/JEDP_1996____A12_0/}
}
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Fang Hua Lin. Rectifiability of defect measures, fundamental groups and density of Sobolev mappings. Journées équations aux dérivées partielles (1996), article  no. 12, 14 p. https://proceedings.centre-mersenne.org/item/JEDP_1996____A12_0/

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