Fanwei Meng, Run Xu. Kamenev-type oscillation criteria for even order neutral differential equations with deviating arguments. Applied Mathematics and Computation, 190(2):1402-1408, 2007. [doi]
@article{MengX07a, title = {Kamenev-type oscillation criteria for even order neutral differential equations with deviating arguments}, author = {Fanwei Meng and Run Xu}, year = {2007}, doi = {10.1016/j.amc.2007.02.017}, url = {http://dx.doi.org/10.1016/j.amc.2007.02.017}, researchr = {https://researchr.org/publication/MengX07a}, cites = {0}, citedby = {0}, journal = {Applied Mathematics and Computation}, volume = {190}, number = {2}, pages = {1402-1408}, }