中国科学院数学与系统科学研究院期刊网
ON THE THEORY OF FUNCTIONS OF SEVERAL COMPLEX VARIABLES,Ⅰ——A COMPLETE ORTHONORMAL SYSTEM IN THE HYPERBOLIC SPACE OF MATRICES
华罗庚
Acta Mathematica Sinica, Chinese Series . 1952, (4): 288 -323 .  DOI: 10.12386/A1952sxxb0018