References
References
- St. Ruscheweyh and Salinas , L . 1989 . On the preservation of direction convexity and the Goodman-Saff conjecture . Annales Academiae Scientiarium Fennicae. Mathematica , 14 : 63 – 73 .
- St. Ruscheweyh and Salinas , L . 1992 . On the preservation of periodic monotonicity . Constructive Approximation , 8 : 129 – 140 .
- Nash E 1995 Untersuchungen über DCP Funktionen Diploma thesis, Würzburg University
- Kurth G 1991 Über variationsvermindernde Transformationen, Dissertation zur Erlangung des naturwissenschaftlichen Doktorgrades der Bayerischen Julius-Maximilian-Universität Würzburg Würzburg
- St. Ruscheweyh Salinas L On the DCP property of exponential partial sums Journal of Computational Analysis and Applications (to appear)