Generalizations of Hopfian and co-Hopfian modules. Wang, Yongduo — 2005 International Journal of Mathematics and Mathematical Sciences
δ -small submodules and δ -supplemented modules. Wang, Yongduo — 2007 International Journal of Mathematics and Mathematical Sciences
Generalized lifting modules. Wang, Yongduo; Ding, Nanqing — 2006 International Journal of Mathematics and Mathematical Sciences
A note on ⊕ -cofinitely supplemented modules. Wang, Yongduo; Sun, Qing — 2007 International Journal of Mathematics and Mathematical Sciences