@article{UFA_2013_5_2_a2,
     author = {V. E. Bobkov},
     title = {On existence of nodal solution to elliptic equations with convex-concave nonlinearities},
     journal = {Ufa mathematical journal},
     pages = {18--30},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2013_5_2_a2/}
}