@article{10_4064_ap_31_1_15_21,
     author = {Shair Ahmad and Abdelali Benharbit},
     title = {Some oscillation properties of third order linear homogeneous differential equations},
     journal = {Annales Polonici Mathematici},
     pages = {15--21},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1975},
     doi = {10.4064/ap-31-1-15-21},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-31-1-15-21/}
}