%0 Journal Article %A Petru Jebelean %A Jean Mawhin %A C ̆alin S ̧erban %T Multiplicity results for some quasilinear differential systems with periodic nonlinearities %J Minimax theory and its applications %D 2017 %V 2 %N 1 %U http://geodesic.mathdoc.fr/item/MTA_2017_2_1_a5/ %F MTA_2017_2_1_a5