TY - JOUR AU - Švec, Marko TI - Periodic boundary value problem of a fourth order differential inclusion JO - Archivum mathematicum PY - 1997 SP - 167 EP - 171 VL - 33 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1997__33_1-2_a17/ LA - en ID - ARM_1997__33_1-2_a17 ER -