@article{M2AN_1981__15_2_171_0,
     author = {Nitsche, J. A.},
     title = {Interior error estimates for semi-discrete {Galerkin} approximations for parabolic equations},
     journal = {RAIRO. Analyse num\'erique},
     pages = {171--176},
     publisher = {Centrale des revues, Dunod-Gauthier-Villars},
     address = {Montreuil},
     volume = {15},
     number = {2},
     year = {1981},
     mrnumber = {618821},
     zbl = {0469.65073},
     language = {en},
     url = {http://www.numdam.org/item/M2AN_1981__15_2_171_0/}
}