Positive solutions of semi-linear elliptic problems via Krasnoselskii type theorems in cones and Harnack’s inequality
1983 ◽
Vol 21
(5)
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pp. 851-863
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2007 ◽
Vol 24
(1)
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pp. 41-60
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2009 ◽
Vol 352
(1)
◽
pp. 345-359
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2011 ◽
Vol 284
(14-15)
◽
pp. 1784-1795
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