
doi: 10.1007/bf02573631
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multiplicative perturbation theorems, 510.mathematics, additive perturbation theorems, infinitesimal comparison of two cosine operator functions, mixed-type perturbation theorems, Operator sine and cosine functions and higher-order Cauchy problems, well-posed, abstract Cauchy problem, Article
multiplicative perturbation theorems, 510.mathematics, additive perturbation theorems, infinitesimal comparison of two cosine operator functions, mixed-type perturbation theorems, Operator sine and cosine functions and higher-order Cauchy problems, well-posed, abstract Cauchy problem, Article
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 8 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Average | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
