%0 Journal Article %A M. S. Sultanakhmedov %T On the convergence of the least square method in case of non-uniform grids %J Problemy analiza %D 2019 %P 166-186 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/PA_2019_8_3_a15/ %G en %F PA_2019_8_3_a15