中国科学院数学与系统科学研究院期刊网
AMS
Almost Self-Centered Graphs
Sandi KLAVŽAR, Kishori P. NARAYANKAR, H. B. WALIKAR
Acta Mathematica Sinica . 2011, (12): 2343 -2350 .  DOI: 10.1007/s10114-011-9628-3