Coefficient conditions for certain univalent functions. Hayami, Toshio; Owa, Shigeyoshi — 2008 International Journal of Open Problems in Computer Science and Mathematics. IJOPCM
Coefficient Estimates for Analytic Functions Concerned with Hankel Determinant Hayami, Toshio; Owa, Shigeyoshi — 2010 Fractional Calculus and Applied Analysis MSC 2010: 30C45 Applications to starlike functions.
Some properties of certain analytic functions. Owa, Shigeyoshi; Hayami, Toshio; Kuroki, Kazuo — 2007 International Journal of Mathematics and Mathematical Sciences
A note on certain analytic functions. Owa, Shigeyoshi; Hayami, Toshio; Kurori, Kazuo — 2007 Acta Universitatis Apulensis. Mathematics - Informatics
Coefficient inequalities for certain classes of analytic and univalent functions. Hayami, Toshio; Owa, Shigeyoshi; Srivastava, Hari M. — 2007 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Sufficient conditions for starlikeness and convexity in | z | < 1 / 2 . Nunokawa, Mamoru; Owa, Shigeyoshi; Nakamura, Yayoi; Hayami, Toshio — 2008 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]