中国科学院数学与系统科学研究院期刊网
AMS
Counting Function Asymptotics and the Weak Weyl-Berry Conjecture for Connected Domains with Fractal Boundaries
Chen Hua, Brian D. Sleeman
Acta Mathematica Sinica . 1998, (2): 261 -276 .  DOI: 10.1007/BF02560212