@article{VMUMM_1990_2_a10,
     author = {Vu Quoc Thanh},
     title = {Oscillation of a generalized differential equation of {Sturm{\textendash}Liouville} type},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {53--55},
     year = {1990},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1990_2_a10/}
}