%0 Journal Article %A A. G. Megrabov %T Inverse problems for elliptic equations in a half-plane and a strip, and inverse problems involving scattering of plane waves by inhomogeneous layers %J Doklady Akademii Nauk %D 1975 %P 315-317 %V 220 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_220_2_a13/ %G ru %F DAN_1975_220_2_a13