@article{VMUMM_1997_1_a18,
     author = {Nguyen Manh Hung},
     title = {On positive solutions of the {Neumann} problem for nonlinear elliptic equations in conical domains},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {73--74},
     publisher = {mathdoc},
     number = {1},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1997_1_a18/}
}