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On a class of best nonlinear approximation problems
1972
Bulletin of the American Mathematical Society
Preserved Fulltext
in f If m, n )oin)dn-P(Ç) ,C"M, JT\J(X, p di for P of the form (3). We will also investigate the problem of the min AMS 1970 subject classifications. Primary 41A50, 41A30; Secondary 41A55, 30A82.
doi:10.1090/s0002-9904-1972-12842-8
fatcat:ze5kl762nrhmvo2vnsit6mjj3q