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"A necessary and sufficient condition for the existence of positive ..."
Zhaocai Hao, Lishan Liu, Lokenath Debnath (2003)
- Zhaocai Hao, Lishan Liu
, Lokenath Debnath:
A necessary and sufficient condition for the existence of positive solutions of fourth-order singular boundary value problems. Appl. Math. Lett. 16(3): 279-285 (2003)
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