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@article{MZ_1986__191_173693, author = {Andr\'as Kro\'o}, title = {On {Uniqueness} of {Best} {L1-Approximation} of {Disjoint} {Intervals.}}, journal = {Mathematische Zeitschrift}, pages = {507--512}, publisher = {mathdoc}, volume = {191}, year = {1986}, zbl = {0696.41024}, url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173693/} }
András Kroó. On Uniqueness of Best L1-Approximation of Disjoint Intervals.. Mathematische Zeitschrift, Tome 191 (1986), pp. 507-512. http://geodesic.mathdoc.fr/item/MZ_1986__191_173693/