<span>Lower Bound of the First Eigenvalue for the Laplace Operator on Compact Riemannian Manifold</span>

祁锋, 郭白妮

Lower Bound of the First Eigenvalue for the Laplace Operator on Compact Riemannian Manifold

Qi Feng, Guo Baini

数学季刊 . 1993, (2): 40 -49 .