%0 Journal Article %A Rudolf, Boris %T A periodic boundary value problem in Hilbert space %J Mathematica Bohemica %D 1994 %P 347-358 %V 119 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126123/ %R 10.21136/MB.1994.126123 %G en %F 10_21136_MB_1994_126123