@article{AA_2020_32_3_a3,
     author = {A. Azevedo and J.-F. Rodrigues and L. Santos},
     title = {Lagrange multipliers for evolution problems with constraints on the derivatives},
     journal = {Algebra i analiz},
     pages = {65--83},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AA_2020_32_3_a3/}
}