@article{MMO_1957_6_a9, author = {B. M. Levitan}, title = {Correction to the article {{\textquotedblleft}On} the asymptotic behavior of a spectral function and expansion in eigenfunctions of the equation $\Delta u+\{\lambda-q(x_1,x_2,x_3)\}u=0${\textquotedblright} {(Trudy} {Mosk.} {Mat.} {O-va} 4 (1955))}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {481--485}, year = {1957}, volume = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1957_6_a9/} }