@article{MZM_1993_53_5_a9, author = {K. Yu. Osipenko}, title = {Optimal recovery of derivatives of bounded analytic and harmonic functions from inaccurate data}, journal = {Matemati\v{c}eskie zametki}, pages = {87--97}, publisher = {mathdoc}, volume = {53}, number = {5}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_5_a9/} }