@article{10_4153_CMB_2011_031_x,
     author = {Ghanbari, K. and Shekarbeigi, B.},
     title = {Inequalities for {Eigenvalues} of a {General} {Clamped} {Plate} {Problem}},
     journal = {Canadian mathematical bulletin},
     pages = {88--97},
     year = {2012},
     volume = {55},
     number = {1},
     doi = {10.4153/CMB-2011-031-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-031-x/}
}