TY  - JOUR
AU  - Tsuboi, Takashi
TI  - On 2-cycles of $B~{\rm Diff}(S^1)$ which are represented by foliated $S^1$-bundles over $T^2$
JO  - Annales de l'Institut Fourier
PY  - 1981
SP  - 1
EP  - 59
VL  - 31
IS  - 2
PB  - Institut Fourier
PP  - Grenoble
UR  - http://www.numdam.org/articles/10.5802/aif.828/
DO  - 10.5802/aif.828
LA  - en
ID  - AIF_1981__31_2_1_0
ER  -