%0 Journal Article %A F. A. Bhat %T Refinement of Erd\"os-Lax inequality for $\mathrm{N}$-operator %J Problemy analiza %D 2025 %P 42-60 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2025_14_1_a2/ %G en %F PA_2025_14_1_a2