TY - JOUR AU - Rudolf, Boris TI - A periodic boundary value problem in Hilbert space JO - Mathematica Bohemica PY - 1994 SP - 347 EP - 358 VL - 119 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126123/ DO - 10.21136/MB.1994.126123 LA - en ID - 10_21136_MB_1994_126123 ER -