@article{CMUC_1992__33_4_a1,
     author = {Cui, Bao Tong},
     title = {Oscillation properties for parabolic equations of neutral type},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {581--588},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1992},
     mrnumber = {1240178},
     zbl = {0796.35166},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1992__33_4_a1/}
}