摘要
J. Ross proved the following Theorem A. Let Q0 be a cube in Rn and u（x）∈LP（Q0）. Suppose that （1.1） for all parallel subcubes, Q, of Q0 and for all t such that the integral is defined. The constants are assumed to satisfy K≥0, 0<α≤1, 0≤β≤n and p≥1. （ⅰ） if ap<β, then the function u（x） is
