TY - JOUR AU - Hui, Kin Ming TI - Comparison Theorems for the Eigenvalues of the Laplacian in the Unit Ball in RN JO - Canadian mathematical bulletin PY - 1992 SP - 214 EP - 217 VL - 35 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1992-030-0/ DO - 10.4153/CMB-1992-030-0 ID - 10_4153_CMB_1992_030_0 ER -