%0 Journal Article %A A. L. Treskunov %T The generalized Neumann problem for second order elliptic equations on the plane %J Informatics and Automation %D 1975 %P 146-153 %V 127 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1975_127_a9/ %G ru %F TRSPY_1975_127_a9