@article{PM_1992_1992_1_a23,
     author = {Mishev, D.P. and Bainov, D.D.},
     title = {Oscilaciones de la soluciones de ecuaciones hiperb\'olicas no lineales de tipo neutro.},
     journal = {Publicacions matem\`atiques},
     pages = {3-18},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {1992},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_1992_1992_1_a23/}
}