TY - JOUR AU - A. Azevedo AU - J.-F. Rodrigues AU - L. Santos TI - Lagrange multipliers for evolution problems with constraints on the derivatives JO - Algebra i analiz PY - 2020 SP - 65 EP - 83 VL - 32 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2020_32_3_a3/ LA - en ID - AA_2020_32_3_a3 ER -