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HAN Zhuo-ru, LI Shan-bing.
Positive solutions of predator-prey model with spatial heterogeneity and hunting cooperation
[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2022, 57(7): 35-42.
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MA Man-tang.
Existence of positive solutions for a class of periodic boundary value problems of nonlinear second-order systems
[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2019, 54(6): 88-95.
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Existence of positive solutions for a class of nonlinear second-order Dirichlet problem
[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2018, 53(6): 64-69.
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LI Tao-tao.
Existence of radial positive solutions of second-order semi-positone elliptic differential equations
[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2017, 52(4): 48-55.
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ZHANG Lu, MA Ru-yun.
Bifurcation structure of asymptotically linear second-order #br# semipositone discrete boundary value problem#br#
[J]. JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE), 2014, 49(03): 79-83.
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QIN Xiao-na, JIA Mei*, LIU Shuai.
Existence of positive solutions for fractional differential equations boundary value problems with Caputo derivative
[J]. J4, 2013, 48(10): 62-67.
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FAN Jin-jun, ZHANG Xue-ling, LIU Yan-sheng.
Existence of positive solutions of the m-point boundary value problem with p-Laplace operator on time scales
[J]. J4, 2012, 47(6): 16-19.
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LU Fang, ZHOU Zong-fu*.
The existence of positive solutions of a class of fourth-order singular boundary value problems with a p-Laplacian operator
[J]. J4, 2012, 47(6): 28-33.
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ZHANG Hai-yan1,2, LI Yao-hong2.
ositive solutions of boundary value problems for systems of nonlinear mixed higher order singular differential equations
[J]. J4, 2012, 47(2): 31-35.
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YANG Chun-feng.
Existence and nonexistence of positive solutions for a third-order three-point boundary value problem
[J]. J4, 2012, 47(10): 109-115.
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CHEN Jian-ming, LIU Xi-ping*, XIAO Yu.
Existence of multiple positive solutions for second-order differential equation with integral boundary value problems on the half-line
[J]. J4, 2011, 46(4): 37-41.
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WANG Xin-hua, ZHANG Xing-qiu.
Existence of positive solutions for fourth order singular differential equations with Sturm-Liouville boundary conditions
[J]. J4, 2010, 45(8): 76-80.
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SUN Tao1, GAO Fei1, DUAN Xiao-dong2.
The existence of positive solutions of nonlocal boundary value problems for the fourth order
[J]. J4, 2010, 45(12): 62-66.
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YAO Qing-liu.
Twin positive solution to a singular third-order two-point boundary value problem
[J]. J4, 2010, 45(12): 24-27.
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Multiple positive solutions for pLaplacian boundar y value problems
[J]. J4, 2009, 44(7): 79-82.
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