@article{VMUMM_1985_2_a18,
     author = {I. I. Vybornova},
     title = {Some problems for nonlinear elliptic equations with a parameter},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {78--81},
     publisher = {mathdoc},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_2_a18/}
}