关于一类具有中间亏指数的正系数的对称微分算子

郭占宽;孙炯

A Class of Positive Coefficient Ordinary Differential Operators with Middle Deficiency Indexes

Zhan Kuan GUO,Jiong SUN

数学学报 . 2000, (6): 1031 -104 . DOI: 10.12386/A2000sxxb0134