%0 Journal Article %A Guo, Cheng-Jun %A Wang, Gen-Qiang %A Cheng, Sui-Sun %T Periodic solutions for a neutral functional differential equation with multiple variable lags %J Archivum mathematicum %D 2006 %P 1-10 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2006__42_1_a0/ %G en %F ARM_2006__42_1_a0