@incollection{JEDP_1996____A12_0, 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/} }