Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TM_1997_219_a9, author = {V. N. Gabushin}, title = {On {Optimal} {Recovery} of {Differentiation} {Operator}}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {125--129}, publisher = {mathdoc}, volume = {219}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1997_219_a9/} }
V. N. Gabushin. On Optimal Recovery of Differentiation Operator. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Approximation theory. Harmonic analysis, Tome 219 (1997), pp. 125-129. http://geodesic.mathdoc.fr/item/TM_1997_219_a9/