@article{10_4153_CMB_1991_041_9,
     author = {Qian, Chuanxi},
     title = {On {Some} {Conjectures} on {Neutral} {Differential} {Equations}},
     journal = {Canadian mathematical bulletin},
     pages = {254--259},
     year = {1991},
     volume = {34},
     number = {2},
     doi = {10.4153/CMB-1991-041-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1991-041-9/}
}