@article{DAN_1988_298_3_a18,
     author = {Yu. L. Gaponenko and I. V. Nikolaev},
     title = {On the accuracy of the reconstruction of a piecewise-continuous},
     journal = {Doklady Akademii Nauk},
     pages = {589--593},
     publisher = {mathdoc},
     volume = {298},
     number = {3},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1988_298_3_a18/}
}