On bifurcation, critical groups and exact multiplicity of solutions to semilinear elliptic boundary value problems
2001 ◽
Vol 131
(3)
◽
pp. 721-732
◽
2002 ◽
Vol 48
(7)
◽
pp. 1051-1063
◽
2001 ◽
Vol 131
(3)
◽
pp. 721-732
2002 ◽
Vol 48
(6)
◽
pp. 881-895
◽
2011 ◽
Vol 2
(1)
◽
pp. 2-31
◽
2000 ◽
Vol 249
(1)
◽
pp. 199-220
◽
2009 ◽
Vol 354
(1)
◽
pp. 147-158
◽