@article{10_14708_cm_v20i2_5922,
     author = {J. Werbowski},
     title = {On oscillation behavior of solutions of differentia equations generated by delays},
     journal = {Commentationes Mathematicae},
     pages = { 485--493},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1978},
     doi = {10.14708/cm.v20i2.5922},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v20i2.5922/}
}