中国科学院数学与系统科学研究院期刊网
Best Constants for Moser-Trudinger Inequalities, Fundamental Solutions and One-Parameter Representation Formulas on Groups of Heisenberg Type
COHN William S., LU Guo Zhen
数学学报(英文版) . 2002, (2): 375 -390 .  DOI: 10.1007/s101140200159