The close environment of high-mass X-ray binaries at high angular resolution - I. VLTI/AMBER and VLTI/PIONIER near-infrared interferometric observations of Vela X-1
É. Choquet, P. Kervella, J.-B. Le Bouquin, A. Mérand, J.-P. Berger, X. Haubois, G. Perrin, P.-O. Petrucci, B. Lazareff and J.-U. Pott
