The Fredholmicity of certain boundary value problems for the equation $u_{xx}+yu_{yy}+\alpha(x,y)u_y+\beta(x,y)u_x+\gamma(x,y)u=f(x,y)$ in a mixed domain

I. M. Petrushko

V. A. Steklov Mathematical Institute, USSR Academy of Sciences

UDC: 517.946.9

Received: 03.10.1967

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