✦ LIBER ✦
For all real μ, ẍ + μ sinẋx + x = 0 has an infinite number of limit cycles
✍ Scribed by Robert N D'heedene
- Publisher
- Elsevier Science
- Year
- 1969
- Tongue
- English
- Weight
- 371 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0022-0396
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