@article{1077493514,
author = {Bergman, Stefan and Spencer, D. C.},
title = {A property of pseudo-conformal transformations in the
neighborhood of boundary points},
journal = {Duke Math. J.},
volume = {9},
number = {1},
year = {1942},
pages = { 757-762},
language = {en},
url = {http://dml.mathdoc.fr/item/1077493514}
}
Bergman, Stefan; Spencer, D. C. A property of pseudo-conformal transformations in the
neighborhood of boundary points. Duke Math. J., Tome 9 (1942) no. 1, pp. 757-762. http://gdmltest.u-ga.fr/item/1077493514/