An abstract approach to nonlinear boundary value problems at resonance
1999 ◽
Vol 29
(2)
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pp. 313-325
◽
1985 ◽
Vol 56
(1)
◽
pp. 63-81
◽
1980 ◽
Vol 35
(2)
◽
pp. 232-247
◽
1983 ◽
Vol 7
(9)
◽
pp. 1013-1020
◽
1990 ◽
Vol 147
(1)
◽
pp. 122-133
◽