Global convexity in a three-dimensional inverse acoustic problem. Klibanov, M. SIAM J. Math. Analysis, 28:1371-1388, 1997.
bibtex   
@article{kliba_1997,
	Author = {Klibanov, M.V.},
	Journal = {SIAM J. Math. Analysis},
	Pages = {1371-1388},
	Title = {{Global convexity in a three-dimensional inverse acoustic problem}},
	Volume = {28},
	Year = {1997}}

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