共 50 条
- [1] COVARIANCE AND CONTRAVARIANCE - CONFLICT WITHOUT A CAUSE ACM TRANSACTIONS ON PROGRAMMING LANGUAGES AND SYSTEMS, 1995, 17 (03): : 431 - 447
- [3] COVARIANCE AND CONTRAVARIANCE IN METRIC AND NONMETRIC SPACES BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1974, 19 (10): : 1092 - 1092
- [10] General covariance and supersymmetry without supersymmetry Physical Review D Particles, Fields, Gravitation and Cosmology, 54 (12):