@article{BSMF_1939__67__137_0,
     author = {Aronszajn, N.},
     title = {Approximation des fonctions harmoniques et quelques probl\`emes de transformation conforme},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {137--161},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {67},
     year = {1939},
     doi = {10.24033/bsmf.1297},
     zbl = {0023.32203},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1297/}
}