@article{ASENS_1995_4_28_3_253_0, author = {Schwarz, Gerald W.}, title = {Lifting differential operators from orbit spaces}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {253--305}, publisher = {Elsevier}, volume = {Ser. 4, 28}, number = {3}, year = {1995}, doi = {10.24033/asens.1714}, zbl = {0836.14032}, mrnumber = {96f:14061}, language = {en}, url = {http://archive.numdam.org/articles/10.24033/asens.1714/} }