@article{PA_2013_2_1_a1,
     author = {B. A. Bhayo and M. Vuorinen},
     title = {Inequalities for eigenfunctions of the $p${-Laplacian}},
     journal = {Problemy analiza},
     pages = {14--37},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PA_2013_2_1_a1/}
}