TY - JOUR AU - S. M. Nikol'skii TI - Concerning inequalities between partial derivatives JO - Informatics and Automation PY - 1961 SP - 147 EP - 164 VL - 64 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1961_64_a9/ LA - ru ID - TRSPY_1961_64_a9 ER -