@article{CMH_1983__58_251495, author = {Jonathan A. Hillman}, title = {Corrigendum to: }, journal = {Commentarii mathematici Helvetici}, pages = {166--166}, publisher = {mathdoc}, volume = {58}, year = {1983}, zbl = {0516.57010}, url = {http://geodesic.mathdoc.fr/item/CMH_1983__58_251495/} }