TY - JOUR AU - Feireisl, Eduard TI - On the existence of free vibrations for a beam equation when the period is an irrational multiple of the length JO - Applications of Mathematics PY - 1988 SP - 94 EP - 102 VL - 33 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/AM.1988.104291/ DO - 10.21136/AM.1988.104291 LA - en ID - 10_21136_AM_1988_104291 ER -