%0 Journal Article %A K. K. Lavrent'ev %A E. V. Markova %T An inverse three-dimensional problem of determining of unknown coefficient in the third type boundary condition %J Zapiski Nauchnykh Seminarov POMI %D 1983 %P 102-104 %V 128 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1983_128_a10/ %G ru %F ZNSL_1983_128_a10