Nishiwaki, J. & Owa, S. (2014). New sufficient conditions for starlike and convex functions. TWMS Journal of Applied and Engineering Mathematics, 4(1), 74-79.
Abstract
Let A be the class of analytic functions f(z) in the open unit disc. Applying the subordination, some sufficient conditions for starlikeness and convexity are discussed.
Source
TWMS Journal of Applied and Engineering Mathematics