Mather, John N.. "Commutators of diffeomorphisms, III: a group which is not perfect.." Commentarii mathematici Helvetici 60 (1985): 122-124. <http://eudml.org/doc/140003>.
@article{Mather1985, author = {Mather, John N.}, journal = {Commentarii mathematici Helvetici}, keywords = {group of -diffeomorphisms; compactly supported - diffeomorphisms}, pages = {122-124}, title = {Commutators of diffeomorphisms, III: a group which is not perfect.}, url = {http://eudml.org/doc/140003}, volume = {60}, year = {1985}, }
TY - JOUR AU - Mather, John N. TI - Commutators of diffeomorphisms, III: a group which is not perfect. JO - Commentarii mathematici Helvetici PY - 1985 VL - 60 SP - 122 EP - 124 KW - group of -diffeomorphisms; compactly supported - diffeomorphisms UR - http://eudml.org/doc/140003 ER -