共 50 条
- [4] EIGENVECTORS AND EIGENVALUES OF TRANSITIVE SYMMETRY OPERATORS IN SPACES EN [J]. COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II, 1989, 308 (04): : 363 - 368
- [9] POSITIVE EIGENVALUES FOR NONLINEAR OPERATORS [J]. NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1975, 22 (01): : A195 - A196