%0 Journal Article %A M. N. Yakovlev %T A bound for the error of the Ritz method in the case of the Lidstone problem for a~singular differential equation of fourth order %J Zapiski Nauchnykh Seminarov POMI %D 2009 %P 195-201 %V 367 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2009_367_a12/ %G ru %F ZNSL_2009_367_a12