@article{MASLO_2004_54_3_a4,
     author = {D\v{z}urina, Jozef},
     title = {Oscillation criteria for second order nonlinear retarded differential equations},
     journal = {Mathematica slovaca},
     pages = {245--253},
     year = {2004},
     volume = {54},
     number = {3},
     mrnumber = {2076361},
     zbl = {1080.34556},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_2004_54_3_a4/}
}