A Generalized Boundary Value Problem for uxy Equals f(x, y, u, u sub x, u sub y)
NAVAL ORDNANCE LAB WHITE OAK MD
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This paper proves an existence theorem for the partial differential equation u sub xy equals fx,y,u,u sub x, u sub y with certain linear combinations of u, u sub x and u sub y given on two non characteristic curves.
- Theoretical Mathematics