@article{10_21136_AM_1988_104291, author = {Feireisl, Eduard}, title = {On the existence of free vibrations for a beam equation when the period is an irrational multiple of the length}, journal = {Applications of Mathematics}, pages = {94--102}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {1988}, doi = {10.21136/AM.1988.104291}, mrnumber = {0940709}, zbl = {0684.35057}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.21136/AM.1988.104291/} }