%0 Journal Article %A Wang, Weibing %A Lai, Baishun %T Periodic solutions for a class of functional differential system %J Archivum mathematicum %D 2012 %P 139-148 %V 48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.5817/AM2012-2-139/ %R 10.5817/AM2012-2-139 %G en %F 10_5817_AM2012_2_139