A-harmonic Tensors on Riemannian Manifolds
GAO Hong-ya,SHI Ming-yu,BAO Jian-ting,WANG Qing-li
Journal of Hebei University (Natural Science Edition) . 2006, (2): 113 -115 .  DOI: 10.3969/j.issn.1000-1565.2006.02.001