@article{SMJ2_2014_40_1_a4,
     author = {El-Shobaky, E. and Elabbasy, E. M. and Hassan, T. S. and Glalah, B. A.},
     title = {Interval {Criteria} for {Forced} {Oscillation} of {Functional} {Differential} {Equations} with {\ensuremath{\gamma}-Laplacian,} {Damping} and {Mixed} {Nonlinearities}},
     journal = {Serdica Mathematical Journal},
     pages = {55--76},
     publisher = {mathdoc},
     volume = {40},
     number = {1},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2014_40_1_a4/}
}