Harmonic Analysis: Real-variable Methods, Orthogonality, and ...
Elias M. Stein
Gandulfo, A., J. Garcia-Cuerva, and M. Taibleson [1976] Conjugate system characterization of Hl: Counterexamples for the Euclidean plane and local fields, Bull Amer. Math. Soc. 82: 83-85. Garcia-Cuerva, J. [1983] An extrapolation theorem in ...