中国科学院数学与系统科学研究院期刊网
On the Upper Bound of Second Eigenvalues for Uniformly Elliptic Operators of any Orders
Jia GAO, Xiao Ping YANG, Chun Lin QIAN
On the Upper Bound of Second Eigenvalues for Uniformly Elliptic Operators of any Orders
Jia GAO, Xiao Ping YANG, Chun Lin QIAN
应用数学学报(英文版) . 2003, (1): 107 -116 .