TY - JOUR AU - Pierre Bousquet AU - Augusto C. Ponce AU - Jean Van Schaftingen TI - Density of smooth maps for fractional Sobolev spaces $W^{s, p}$ into $\ell $ simply connected manifolds when $s \ge 1$ JO - Confluentes Mathematici PY - 2013 SP - 3 EP - 24 VL - 5 IS - 2 PB - Institut Camille Jordan UR - https://cml.centre-mersenne.org/articles/10.5802/cml.5/ DO - 10.5802/cml.5 LA - en ID - CML_2013__5_2_3_0 ER -