中国科学院数学与系统科学研究院期刊网
Bound-Limited Self-Adjoint Extensions for Singular Sturm-Liouville Differential Operators
Guang Sheng WEI,Zong Beng XU
Acta Mathematica Sinica, Chinese Series . 2004, (2): 305 -316 .  DOI: 10.12386/A2004sxxb0040