中国科学院数学与系统科学研究院期刊网
微分算子的对称扩张及Friedrichs扩张的辛几何刻画
杨传富;黄振友;杨孝平;
Complex Symplectic Geometry Characterizations for Symmetric Extensions and Priedrichs Extensions of Differential Operators
Chuan Fu YANG, Zhen You HUANG,
数学学报 . 2006, (2): 421 -430 .  DOI: 10.12386/A2006sxxb0052