Certain subclasses of p -valently close-to-convex functions. Kwon, Oh Sang — 2009 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
A class of integral operators preserving subordination and superordination. Cho, Nak Eun; Kwon, Oh Sang — 2010 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Inclusion properties for certain subclasses of analytic functions associated with the Dziok-Srivastava operator. Kwon, Oh Sang; Cho, Nak Eun — 2007 Journal of Inequalities and Applications [electronic only]
A class of nonlinear integral operators preserving double subordinations. Kwon, Oh Sang; Cho, Nak Eun — 2008 Abstract and Applied Analysis
Starlike and convex properties for hypergeometric functions. Kwon, Oh Sang; Cho, Nak Eun — 2008 International Journal of Mathematics and Mathematical Sciences
On starlikeness and close-to-convexity of certain analytic functions. Kwon, Oh Sang; Cho, Nak Eun — 2004 International Journal of Mathematics and Mathematical Sciences
Radius of strongly starlikeness for certain analytic functions. Kwon, Oh Sang; Owa, Shigeyoshi — 2002 International Journal of Mathematics and Mathematical Sciences
On the maximum value for Zygmund class on an interval. Xinzhong, Huang; Kwon, Oh Sang; Park, Jun Eak — 2002 International Journal of Mathematics and Mathematical Sciences
Subordination and superordination for multivalent functions associated with the Dziok-Srivastava operator. Cho, Nak Eun; Kwon, Oh Sang; Ali, Rosihan M.; Ravichandran, V. — 2011 Journal of Inequalities and Applications [electronic only]