@article{10_4153_CMB_2010_073_x,
     author = {Krist\'aly, Alexandru and Papageorgiou, Nikolaos S. and Varga, Csaba},
     title = {Multiple {Solutions} for a {Class} of {Neumann} {Elliptic} {Problems} on {Compact} {Riemannian} {Manifolds} with {Boundary}},
     journal = {Canadian mathematical bulletin},
     pages = {674--683},
     year = {2010},
     volume = {53},
     number = {4},
     doi = {10.4153/CMB-2010-073-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-073-x/}
}