@article{CRMATH_2015__353_8_735_0,
     author = {Liuwei Zhang},
     title = {The lower and upper bounds of the first eigenvalues for the bi-harmonic operator on manifolds},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {735--740},
     publisher = {Elsevier},
     volume = {353},
     number = {8},
     year = {2015},
     doi = {10.1016/j.crma.2015.06.001},
     language = {en},
}