TY - JOUR AU - Borwein, J. M. AU - Girgensohn, R. AU - Wang, Xianfu TI - On the Construction of Hölder and Proximal Subderivatives JO - Canadian mathematical bulletin PY - 1998 SP - 497 EP - 507 VL - 41 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1998-065-9/ DO - 10.4153/CMB-1998-065-9 ID - 10_4153_CMB_1998_065_9 ER -