@article{CMH_1975__50_139631,
     author = {Ernst A. Ruh and Hans-Christoph Im Hof},
     title = {An {Equivariant} {Pniching} {Theorem.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {389--402},
     publisher = {mathdoc},
     volume = {50},
     year = {1975},
     zbl = {0317.53043},
     url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139631/}
}