Analysis of a hybridizable discontinuous Galerkin scheme for the tangential control of the Stokes systemWei Gong, Weiwei Hu, Mariano Mateos, John R. Singler and Yangwen ZhangESAIM: M2AN, 54 6 (2020) 2229-2264DOI: https://doi.org/10.1051/m2an/2020015