@article{MZM_1973_13_1_a5,
     author = {I. V. Kamenev},
     title = {Nonoscillation integral criteria},
     journal = {Matemati\v{c}eskie zametki},
     pages = {51--54},
     publisher = {mathdoc},
     volume = {13},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1973_13_1_a5/}
}