Minimal norm interpolation with nonnegative real part on multiply connected planar domainsStephen D. FisherCharles A. Micchelli1997Michigan Mathematical Journal
Optimal sampling of holomorphic functions. IIStephen D. FisherCharles A. Micchelli1985Mathematische Annalen
The n-width of sets of analytic functionsS.D. FisherCharles A. Micchelli1980Duke Mathematical Journal