Direct discovery of the inner exoplanet in the HD 206893 system : Evidence for deuterium burning in a planetary-mass companion by Hinkley, S, Lacour, S, Marleau, G-D, Lagrange, A-M, Wang, JJ, Kammerer, J, Cumming, A, Nowak, M, Rodet, L, Stolker, T, Balmer, W-O, Ray, S, Bonnefoy, M, Molliere, P, Lazzoni, C, Kennedy, G, Mordasini, C, Abuter, R, Aigrain, S, Amorim, A, Asensio-Torres, R, Babusiaux, C, Benisty, M, Berger, J-P, Beust, H, Blunt, S, Boccaletti, A, Bohn, A, Bonnet, H, Bourdarot, G, Brandner, W, Cantalloube, F, Caselli, P, Charnay, B, Chauvin, G, Chomez, A, Choquet, E, Christiaens, V, Clenet, Y, du Foresto, VC, Cridland, A, Delorme, P, Dembet, R, Drescher, A, Duvert, G, Eckart, A, Eisenhauer, F, Feuchtgruber, H, Galland, F, Garcia, P, Zicher, N