Mikheil Basheleishvili
abstract:
Both the domains $D^{+}$ and $D^{-}$ are considered, where the third and the 
fourth problems are formulated. Green's formulas are written and by means them 
uniqueness theorems are proved for the third and fourth problems. For the third 
and fourth problems, in the domains $D^{+}$ and $D^{-}$ Fredholm integral 
equations are derived and existence theorem are proved.
Mathematics Subject Classification: 74B05
Key words and phrases: Third and the fourth problems, Fredholm integral equations, Green's formula, uniqueness and existence theorems