%0 Journal Article %A M. A. Soldatova %T Some Order-of-Magnitude Estimates for Nonorthonormalized Fundamental (in Il'in's Sense) System of Functions of the Laplace Operator %J Differencialʹnye uravneniâ %D 2002 %P 516-520 %V 38 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2002_38_4_a10/ %G ru %F DE_2002_38_4_a10