共 43 条
[1]
Baek H., 2012, ABSTR APPL ANAL, V2012, P1
[3]
Bonotto E. M., 2010, ELECTRON J DIFFER EQ, V78, P369
[4]
Chen L., 2011, J. Beihua Univ. Nat. Sci, V12, P1
[6]
Ciesielski K., 2004, Bulletin of the Polish Academy of Sciences, Technical Sciences, V52, P81, DOI 10.4064/ba52-1-9