共 50 条
- [2] A necessary and sufficient condition for a twist map being integrable SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 1996, 39 (07): : 709 - 717
- [5] A necessary and sufficient condition for the minimal point being a critical point and applications INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 2001, 32 (08): : 1145 - 1151
- [7] A necessary and sufficient condition for ternary majority functions being monotonic functions CHINESE SCIENCE BULLETIN, 1998, 43 (23): : 2018 - 2019
- [10] NECESSARY AND SUFFICIENT CONDITION FOR DECODABILITY NOTICES OF THE AMERICAN MATHEMATICAL SOCIETY, 1975, 22 (07): : A714 - A714