%0 Journal Article %A E. P. Ushakova %T Upper estimates for the approximation numbers of the generalized Laplace transform %J Informatics and Automation %D 2013 %P 267-287 %V 283 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_2013_283_a17/ %G ru %F TRSPY_2013_283_a17