1. ON SOME INTEGRAL OPERATORS WHICH PRESERVE THE UNIVALENCE. Authors: VIRGIL PESCAR.2. THE UNIVALENCE AND THE CONVEXITY PROPERTIES FOR A NEW INTEGRAL OPERATOR. Authors: VIRGIL PESCAR.3. ON CONDITIONS FOR UNIVALENCE OF TWO INTEGRAL OPERATORS. Authors: DANIEL BREAZ, VIRGIL PESCAR.4. NEW UNIVALENCE CRITERIA FOR SOME INTEGRAL OPERATORS. Authors: VIRGIL PESCAR.5. ON THE UNIVALENCE OF AN INTEGRAL OPERATOR. Authors: VIRGIL PESCAR.