@article{TAM_1976_2_1_a1,
     author = {Stanko Br\v{c}i\'c},
     title = {Undamped vibrations of elastic thin-walled beams of open deformable cross section},
     journal = {Theoretical and applied mechanics},
     pages = {7 },
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {1976},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1976_2_1_a1/}
}