@article{03971132, title = {Bounds on the curvature for functions with bounded boundary rotation of order 1-b.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {9}, year = {1986}, pages = {65-70}, doi = {10.1155/S016117128600008X}, zbl = {0602.30017}, language = {en}, url = {http://dml.mathdoc.fr/item/03971132} }
Nasr, M.A. Bounds on the curvature for functions with bounded boundary rotation of order 1-b.. International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986) pp. 65-70. doi : 10.1155/S016117128600008X. http://gdmltest.u-ga.fr/item/03971132/