|  | 
 [34A40] 
Differential inequalities 
 
  - Ehme, J. and Henderson,
    J.,
 
    Existence and Local Uniqueness for Nonlinear Lidstone Boundary Value
    Problems, Volume 1, Issue 1,
    Article 8, 2000.
    [021_99] 
       
  - Oguntuase, J.A.,
 
    On an Inequality of Gronwall, Volume
    2, Issue 1, Article 9,
    2001. [013_00] 
 
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