P Zhang, J Wu,
J Sun - Mediterranean Journal of Mathematics, 2018 - Springer
Let 0 ≤ α< n 0≤ α< n, b, M_ α b, M α and b, M^ ♯ b, M♯ be the nonlinear commutators of
the fractional maximal function M_ α M α and the sharp maximal function M^ ♯ M♯ with a …