%0 Journal Article %A Zhang, Youwei %T Solvability of a generalized third-order left focal problem at resonance in Banach spaces %J Mathematica Bohemica %D 2013 %P 361-382 %V 138 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.2013.143510/ %R 10.21136/MB.2013.143510 %G en %F 10_21136_MB_2013_143510