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- [2] TOPOLOGICAL-DEGREE AND STABILITY OF PERIODIC-SOLUTIONS FOR CERTAIN DIFFERENTIAL-EQUATIONS JOURNAL OF THE LONDON MATHEMATICAL SOCIETY-SECOND SERIES, 1990, 42 : 505 - 516
- [4] ON THE STABILITY OF SOLUTIONS OF A SYSTEM OF DIFFERENTIAL-EQUATIONS BOLLETTINO DELLA UNIONE MATEMATICA ITALIANA, 1984, 3B (03): : 859 - 870
- [7] CERTAIN DIFFERENTIAL-EQUATIONS HAVE ONLY ISOLATED PERIODIC-ORBITS ANNALI DI MATEMATICA PURA ED APPLICATA, 1984, 137 : 217 - 244
- [9] ON THE STABILITY OF A SYSTEM OF DIFFERENTIAL-EQUATIONS WITH COMPLEX COEFFICIENTS INDIAN JOURNAL OF PURE & APPLIED MATHEMATICS, 1988, 19 (10): : 963 - 972