Grasping the phantom – a new approach to nonlinear spectral theory
2001 ◽
Vol 180
(3)
◽
pp. 255-284
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2005 ◽
Vol 2005
(579)
◽
pp. 75-114
◽
Keyword(s):
2019 ◽
Vol 10
(2)
◽
pp. 170-179
◽
Keyword(s):