TY - JOUR AU - Deparis, Simone AU - Iubatti, Antonio AU - Pegolotti, Luca TI - Coupling non-conforming discretizations of PDEs by spectral approximation of the Lagrange multiplier space JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2019 SP - 1667 EP - 1694 VL - 53 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2019030/ DO - 10.1051/m2an/2019030 LA - en ID - M2AN_2019__53_5_1667_0 ER -