@article{ASENS_1981_4_14_3_249_0,
     author = {Deturck, Dennis M. and Kazdan, Jerry L.},
     title = {Some regularity theorems in riemannian geometry},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {249--260},
     publisher = {Elsevier},
     volume = {Ser. 4, 14},
     number = {3},
     year = {1981},
     doi = {10.24033/asens.1405},
     mrnumber = {83f:53018},
     zbl = {0486.53014},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1405/}
}