Dajun Guo (Guo, Dajun)

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  Nonlinear Integral Equations in Abstract Spaces
  by Xinzhi Liu, Dajun Guo, V. Lakshmikantham
  Hardcover, Kluwer Academic Pub, ISBN 0792341449 (0-7923-4144-9)
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  Nonlinear Problems in Abstract Cones
  by Dajun Guo, V. Lakshmikantham
  Hardcover, Academic Press, ISBN 012293475X (0-12-293475-X)
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  Partial Ordering Methods In Nonlinear Problems
  by Dajun Guo, Yeol Je Cho, Jiang Zhu
  Hardcover, Nova Science Pub Inc, ISBN 1594540187 (1-59454-018-7)