@article{1195513030,
author = {Nunokawa, Mamoru},
title = {On the total variation of argument $f\left( z \right)$ whose derivative has a positive real part},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {65},
number = {10},
year = {1989},
pages = { 15-16},
language = {en},
url = {http://dml.mathdoc.fr/item/1195513030}
}
Nunokawa, Mamoru. On the total variation of argument $f\left( z \right)$ whose derivative has a positive real part. Proc. Japan Acad. Ser. A Math. Sci., Tome 65 (1989) no. 10, pp. 15-16. http://gdmltest.u-ga.fr/item/1195513030/