
doi: 10.1007/bf02826094
Analysis on real and complex Lie groups, Variational methods for second-order elliptic equations, Nonlinear boundary value problems for linear elliptic equations, Nilpotent and solvable Lie groups, Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces
Analysis on real and complex Lie groups, Variational methods for second-order elliptic equations, Nonlinear boundary value problems for linear elliptic equations, Nilpotent and solvable Lie groups, Abstract critical point theory (Morse theory, Lyusternik-Shnirel'man theory, etc.) in infinite-dimensional spaces
| 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). | 4 | |
| 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). | Average | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Average |
