TY - JOUR AU - Rachůnková, Irena AU - Tvrdý, Milan AU - Vrkoč, Ivo TI - Resonance and multiplicity in periodic boundary value problems with singularity JO - Mathematica Bohemica PY - 2003 SP - 45 EP - 70 VL - 128 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2003.133937/ DO - 10.21136/MB.2003.133937 LA - en ID - 10_21136_MB_2003_133937 ER -