TY - JOUR AU - Burghelea, Dan TI - On the homotopy type of ${\rm Diff}(M^n)$ and connected problems JO - Annales de l'Institut Fourier PY - 1973 SP - 3 EP - 17 VL - 23 IS - 2 PB - Institut Fourier PP - Grenoble UR - https://aif.centre-mersenne.org/articles/10.5802/aif.453/ DO - 10.5802/aif.453 LA - en ID - AIF_1973__23_2_3_0 ER -