@article{AIHPC_2012__29_1_1_0,
     author = {Pol\'a\v{c}ik, P.},
     title = {On symmetry of nonnegative solutions of elliptic equations},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1--19},
     publisher = {Elsevier},
     volume = {29},
     number = {1},
     year = {2012},
     doi = {10.1016/j.anihpc.2011.03.001},
     mrnumber = {2876244},
     zbl = {1241.35073},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2011.03.001/}
}