TY - JOUR AU - S. N. Samborskii TI - Nonsmooth differentiation as an operator JO - Contemporary Mathematics. Fundamental Directions PY - 2010 SP - 70 EP - 82 VL - 37 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2010_37_a5/ LA - ru ID - CMFD_2010_37_a5 ER -