@article{1028989872,
author = {Titus, C. J.},
title = {A projection operator on harmonic mappings.},
journal = {Michigan Math. J.},
volume = {2},
number = {1},
year = {1953},
pages = { 91-94},
language = {en},
url = {http://dml.mathdoc.fr/item/1028989872}
}
Titus, C. J. A projection operator on harmonic mappings.. Michigan Math. J., Tome 2 (1953) no. 1, pp. 91-94. http://gdmltest.u-ga.fr/item/1028989872/