CHINESE ANNALS OF MATHEMATICS SERIES B, vol.24, no.1, pp.65-72, 2003 (SCI-Expanded)
A new class of function spaces, denoted by Ba, was introduced by XX Ding in [4]. This class of spaces is a very natural generalization of the classical L-p spaces and also includes some important Orlicz spaces, Orlicz-Sobolev spaces,etc.