@article{VMUMM_1991_4_a0,
     author = {Vu Quoc Thanh},
     title = {Asymptotics of the spectrum of the nonlinear {Sturm--Liouville} equation},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {4},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a0/}
}