%0 Journal Article %A V. M. Kurbanov %T A MeanValueFormula for Root Functions of Differential Operators with Locally Integrable Coefficients I %J Differencialʹnye uravneniâ %D 2002 %P 177-189 %V 38 %N 2 %U http://geodesic.mathdoc.fr/item/DE_2002_38_2_a3/ %G ru %F DE_2002_38_2_a3