訂正日: 2006/08/29訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] W. Kaplan, Close-to-Convex Schlicht Functions, Michigan Mathematical Journal, 1 (1952), 169-185. [2] Z. Nehari, The Schwarzian Derivative and Schlicht Functions, Bulletin AMS, 55 (1949), 545-551. [3] M. O. Reade, On Close-to-Convex Univalent Functions, Michigan Mathematical Journal, 3 (1955-56), 59-62. [4] V. S. Rogozin, Two Sufficient Conditions for the Univalence of Mapping, Rostov. Gos. Univ. Uc. Zap. Fiz.-Mat. Fak., 32 (1955), 135-137. [5] T. Umezawa, On the Theory of Univalent Functions, Tôhoku Mathematical Journal, 7 (1955), 212-228.