TY  - JOUR
AU  - Christiansen, R. A.
TI  - Recurrent Transformation Groups
JO  - Canadian journal of mathematics
PY  - 1969
SP  - 564
EP  - 575
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-064-1/
DO  - 10.4153/CJM-1969-064-1
ID  - 10_4153_CJM_1969_064_1
ER  -