@article{TM_2010_269_a13,
     author = {V. F. Lubyshev},
     title = {Multiple positive solutions of an elliptic equation with a~convex{\textendash}concave nonlinearity containing a~sign-changing term},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {167--180},
     year = {2010},
     volume = {269},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_269_a13/}
}