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- [11] THE ASYMPTOTIC INTEGRATION OF SOME OSCILLATORY DIFFERENTIAL-EQUATIONS QUARTERLY JOURNAL OF MATHEMATICS, 1982, 33 (131): : 281 - 296
- [14] CITATION CLASSIC - THE AUTOMATIC INTEGRATION OF ORDINARY DIFFERENTIAL-EQUATIONS CURRENT CONTENTS/ENGINEERING TECHNOLOGY & APPLIED SCIENCES, 1981, (05): : 16 - 16